AnnexMedAnnexMedAnnexMed
Corporate Office
USA
299 S. Main Street
Suite 1300
Salt Lake City, UT 84111
Chennai - Tower I
CeeDeeYes Tyche Towers,
Block-1 3rd Floor, Perungudi Bypass Rd, Perungudi,
Chennai - 600096
Chennai - Tower II
4th Floor, IIFL TOWERS
MGR Main Rd,
Perungudi, Chennai - 600096
Villupuram
No 9, Viswalingam Layout
Villupuram,
Tamil Nadu – 605602

OB-GYN Revenue Cycle Management

Revenue Cycle Management Built for the Full Maternity and Gynecology Lifecycle

Specialized billing for global OB packages, gynecologic surgery, prenatal care, ultrasound, in-office procedures, and preventive screening services. Reduce denials. Capture every episode. Protect reimbursement from first visit to postpartum.

20-30%

Increase in Collections

97%+

Clean Claim Rate

28-38%

A/R Days Reduction

82-90%

Denial Overturn Rate

99%+

Screening Accuracy

OB/GYN revenue cycle management

OB/GYN billing is one of the most complex specialties in healthcare revenue cycle management. Global obstetric package billing bundles prenatal care, delivery, and postpartum services into single episode codes spanning CPT 59400 through 59622, with distinct codes for vaginal delivery, cesarean section, and VBAC. Errors in visit tracking, delivery method documentation, or package assignment can erase thousands of dollars in reimbursement per episode.

Gynecologic services add another layer of complexity, from laparoscopic and robotic surgical coding across CPT 56000-58999 to colposcopy, cervical procedures, infertility treatment, and the critical distinction between preventive and diagnostic services that determines cost-sharing for patients and reimbursement for providers.

AnnexMed provides end-to-end RCM for OB/GYN practices, hospital-based obstetric programs, academic medical centers, and ASC-based gynecology services. Our certified coders and billing specialists manage the full maternity lifecycle, surgical procedure billing, in-office procedures, and preventive care coding, ensuring accurate claim submission, reduced denials, and optimized reimbursement from first prenatal visit to postpartum discharge.
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Trusted by 100+ healthcare providers | AAPC, AHIMA & AAHAM Certified | SOC 2 Type II
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OB/GYN CPT code coverage

Service Category
CPT Code Ranges
Common Procedures
Global Obstetrics

59400-59622

Vaginal delivery, C-section, VBAC, antepartum, postpartum

Antepartum Only

59425-59426

Split OB care, 4-6 visits, 7+ antepartum visits

Gynecologic Surgery

56405-58999

Hysterectomy, myomectomy, laparoscopy, endometriosis

Colposcopy & Cervical

57452-57461

Colposcopy, biopsy, ECC, LEEP, cervical procedures

Infertility & ART

58321-58323

IUI, ovulation induction, ART-related procedures

Obstetric Ultrasound

76801-76828

First/second/third trimester, biophysical profile, Doppler

Preventive GYN

99381-99397, Q0091

Well-woman exams, Pap smear collection, screening

ICD-10 Obstetrics

O00.x-O99.x, Z34.x

Pregnancy complications, supervision, delivery outcomes

ICD-10 Gynecology

N80.x-N98.x, Z30.x

GYN pathology, contraceptive management, pelvic disorders

Billing complexity

Why OB/GYN billing is among the most complex in healthcare?

OB/GYN billing combines episode-based global packages, high-volume in-office procedures, complex surgical coding, preventive care distinctions, and trimester-specific documentation requirements. A single oversight can cascade into denials across multiple claims tied to one patient episode.

Global OB Package Complexity

Global maternity billing bundles antepartum visits, delivery, and postpartum care into a single CPT code (59400-59622). Errors in visit tracking, early deliveries, or care transitions across providers result in missing revenue across the full episode.

Delivery Coding Variations

Vaginal, cesarean, VBAC, and operative deliveries each carry distinct CPT codes with different global period rules. Documentation must capture delivery method, complications, and whether the delivering provider completed the global package

Screening vs Diagnostic Billing

Preventive screenings (Pap smears, mammograms) are covered at 100% under preventive care, while the same service billed as diagnostic incurs cost-sharing. Incorrect classification triggers patient surprise bills and compliance exposure.

Gynecologic Surgical Complexity

GYN surgery coding spans hysterectomy, myomectomy, laparoscopy, and endometriosis procedures, each with open, laparoscopic, and robotic approach variants. Global periods, multiple procedure reductions, and assistant surgeon billing add further complexity.

In-Office Procedure Volume

OB/GYN practices perform high volumes of same-day procedures such as IUD insertions, biopsies, and colposcopies alongside E/M visits. Modifier 25 must be supported by documentation showing a separately identifiable evaluation and management service.

Ultrasound Component Billing

OB ultrasounds (76801-76828) vary by gestational trimester, completeness of study, and inclusion of Doppler or biophysical profile components. Professional and technical component splits require modifier 26/TC based on equipment ownership.

Multiple Procedure Reductions

When multiple gynecologic procedures are performed in the same session, Medicare and commercial payers apply multiple procedure payment reductions. Correct sequencing and modifier 51 application preserve maximum reimbursement.

Antepartum Split Care

When prenatal care is divided between providers or a patient transfers mid-pregnancy, antepartum visits must be billed individually (59425 for 4-6 visits, 59426 for 7+) rather than as a global package. Incorrect billing results in over- or underpayment.

OB/GYN-specific RCM modules

Specialty RCM modules built for OB/GYN billing

AnnexMed deploys twelve OB/GYN-specific RCM modules that address the unique billing requirements of obstetric and gynecologic care. Each module is managed by certified coders and billing specialists trained in women’s health documentation standards, payer-specific rules, and the episode-based billing model that defines OB/GYN revenue cycle management.

Global OB Package Billing

We manage the full global maternity package across CPT 59400 (vaginal), 59510 (cesarean), and 59610 (VBAC), tracking antepartum visits, delivery method, and postpartum care to ensure correct billing by episode, provider continuity, and delivery complications.

Antepartum & Postpartum Care

When OB care is split between providers, we bill antepartum visits individually using 59425 (4-6 visits) and 59426 (7+ visits). We track visit counts and provider handoffs to prevent missing revenue and ensure proper episode billing for all split-care scenarios.

Delivery Coding & Complications

Our coders document delivery method, approach, and complications for each obstetric encounter. High-risk deliveries with shoulder dystocia, hemorrhage, fetal distress, or prolonged labor generate additional billable services outside the global package when properly documented.

Gynecologic Surgery Billing

GYN surgery billing spans hysterectomy (58150-58571), myomectomy (58140/58545), and endometriosis surgery (58661), each with laparoscopic and open approaches. We code from operative reports, capture all procedures performed, and apply global period and MPPR rules accurately.

Ultrasound & Fetal Monitoring

OB ultrasound billing depends on gestational age, study completeness, and inclusion of Doppler or biophysical profile (76820/76821). We select correct CPT codes by trimester (76801-76817), apply TC/PC splits based on equipment ownership, and capture all add-on components.

Colposcopy & Cervical Procedures

Colposcopy billing depends on biopsy (57454/57456), ECC (57460), and whether lower genital tract biopsy is included. We apply correct CPT codes based on documented procedure components, ensuring complete and accurate GYN diagnostic billing across all payer requirements.

Preventive GYN & Pap Smear Billing

Preventive GYN visits including Pap smears (Q0091), well-woman exams, and cervical screenings are billed with the PT modifier to ensure 100% coverage under preventive care benefits. We protect patients from surprise cost-sharing and practices from compliance exposure.

Infertility Treatment Billing

Infertility billing covers diagnostic services, ovulation induction, IUI (58321/58322), and ART-related procedures with highly variable coverage across states and payers. We navigate covered versus non-covered services, capturing billable care while billing patients directly for exclusions.

In-Office Procedure Coding

High-volume in-office procedures including IUD insertions, LEEP, biopsies, and endometrial ablation must be paired with appropriate modifiers when performed on the same day as an E/M visit. We ensure modifier 25 documentation requirements are met to prevent bundling denials.

ICD-10 OB/GYN Coding

Accurate ICD-10 coding requires pregnancy supervision codes (Z34.x), complication codes (O00.x-O99.x), GYN pathology (N80.x-N98.x), and contraceptive management (Z30.x). Our certified coders ensure precise code selection supporting reimbursement, compliance, and quality reporting.

Modifier & Compliance Validation

Modifier 25, 57, PT, 26, TC, 51, and 59 applications are validated against payer-specific policies and CMS guidelines before claim submission. We prevent denials caused by incorrect modifier usage, bundling conflicts, and missing documentation support across all OB/GYN claim types.

Denial Management & Audit Defense

Every denied OB/GYN claim is root-cause analyzed and appealed with supporting documentation including operative reports, prenatal records, and delivery notes. We maintain an 82-90% overturn rate on appealed claims and implement permanent fixes to prevent recurrence.

Core RCM services

End-to-end revenue cycle services for OB/GYN

The following nine core services are included in AnnexMed’s standard RCM offering for every OB/GYN provider. These services form the foundation of a high-performing revenue cycle and are customized to each practice’s payer mix, visit structure, and maternity billing model.

Eligibility & Benefits Verification

We confirm OB/GYN-specific insurance coverage, maternity benefits, deductibles, co-pays, and coordination of benefits for every patient before the encounter. We flag coverage gaps for global OB packages, surgical procedures, and preventive screenings to prevent authorization-related denials.

Prior Authorization Management

Our team handles the full prior auth lifecycle for elective GYN surgeries, ultrasounds, IUDs, infertility procedures, and high-risk pregnancy monitoring. We track authorization status against scheduling timelines to ensure services are pre-approved and synchronized with your calendar.

Claims Submission & Tracking

We submit clean OB/GYN claims electronically to all payers with correct CPT codes, modifiers, and diagnosis code pairings validated before submission. Each claim is monitored through its complete lifecycle, with errors identified and resolved before they convert to denials.

Denial Management & Appeals

Every denied OB/GYN claim is reviewed, root-cause analyzed, and appealed with supporting documentation including prenatal records, delivery summaries, and operative notes. We identify denial patterns across maternity, surgery, and preventive care to prevent recurrence at the source.

Accounts Receivable Follow-Up

AR specialists proactively follow up on outstanding balances segmented by OB episode, CPT category, and payer class. We target aging accounts using priority workflows aligned to global package claim cycles, keeping your days in AR consistently below industry benchmarks.

Patient Statements & Collections

We manage the complete patient billing experience from clear, accurate statements to respectful follow-up collections. For OB/GYN patients, we apply particular care around preventive vs diagnostic cost-sharing distinctions to prevent billing confusion and protect patient satisfaction.

Payment Posting & Reconciliation

All insurance and patient payments are posted accurately and reconciled daily against contractual reimbursements, including correct allocation across global OB package components and multi-service gynecologic encounters. Your books remain clean, balanced, and audit-ready at all times.

Provider Credentialing

We manage provider enrollment and credentialing with all commercial, Medicare, and Medicaid payers, keeping OB/GYN contracts active and current. We proactively address credentialing expirations and payer-specific enrollment requirements to prevent claim delays tied to provider status.

Reporting & Analytics Dashboard

Real-time RCM performance dashboards cover collections by service type, denial rates by CPT category, AR aging, global OB package tracking, and payer-specific trends. Delivery episode metrics, preventive care accuracy, and surgical volume data give you complete financial visibility.
Billing reference

OB/GYN billing highlights: modifier & CPT quick reference

Code / Modifier
Clinical Scenario
AnnexMed Billing Approach
59400 / 59510 / 59610

Global OB package: vaginal delivery, cesarean, VBAC including antepartum + postpartum

Tracks prenatal visit count, delivery method, and provider continuity to bill correct global code or split-care components

59425 / 59426

Split OB care: antepartum visits billed individually when provider transfers mid-pregnancy

Monitors visit count to apply 59425 (4-6 visits) or 59426 (7+ visits) accurately for each provider segment

Modifier 25

Separately identifiable E/M service on same day as in-office procedure (IUD, biopsy, LEEP)

Validates documentation showing distinct evaluation and management beyond the procedure decision before appending modifier

Modifier PT

Preventive screening (Pap smear, mammogram) to ensure 100% coverage under preventive benefit

Applies PT modifier and correct diagnosis sequencing to protect patients from cost-sharing on preventive screenings

26 / TC Components

Professional vs technical component splits for OB ultrasound when provider does not own equipment

Determines correct component billing based on equipment ownership and interpretation responsibilities per payer policy

58150-58571

Hysterectomy: open, laparoscopic, robotic, with or without adnexal procedures and global period rules

Codes from operative report capturing all procedures performed, approach, and additional services within global period

Modifier 51

Multiple gynecologic procedures performed in the same operative session with payment reductions

Sequences procedures by value, applies modifier 51 to secondary procedures, and validates against MPPR payment rules

Q0091 / Z01.419

Pap smear collection and routine gynecologic examination as preventive visit billing

Distinguishes preventive from problem-focused visit context and applies correct ICD-10 codes to maximize coverage

Measurable results

Outcomes OB/GYN practices achieve with AnnexMed

20-30%

Higher
collections

97%+

First-pass clean claims

28-38%

Faster A/R reduction

82-90%

Denials
overturned

99%+

Accurate preventive billing

100%

No billing overhead

Why AnnexMed?

The OB/GYN billing partner built for episode-based revenue

OB/GYN is not just another specialty. It is an episode-based, high-volume, high-denial billing environment that demands specialized expertise across global maternity packages, surgical coding, preventive care distinctions, and trimester-specific documentation. AnnexMed brings the combination of certified clinical coding depth, purpose-built OB workflows, and AI-powered audit intelligence that OB/GYN practices require.

Deep OB/GYN Coding Expertise

Our certified coders specialize in women's health billing, trained in global OB package management, trimester-specific ultrasound coding, GYN surgical approaches, infertility billing, and preventive screening compliance. We understand the nuances that separate a clean OB/GYN claim from a denial.

Global Package Mastery

Our proprietary tracking system monitors antepartum visit counts, delivery dates, provider assignments, and postpartum care completion to ensure correct global billing for every episode. We handle early deliveries, late entries, care transfers, and complications without missing revenue.

Preventive Care Screening Compliance

We expertly manage the screening versus diagnostic distinction that determines cost-sharing for patients and reimbursement for providers. Correct PT modifier application, diagnosis sequencing, and patient notification prevent surprise bills, compliance exposure, and payer audits.

Surgical Approach Documentation

Laparoscopic, robotic, and open GYN surgical procedures carry different CPT codes, global periods, and reimbursement rates. We verify proper documentation of surgical approach in operative reports before coding, preventing downcoding and underpayment on high-value gynecologic surgery claims.

AI-Powered Audit Readiness

ImpactRCM.AI continuously monitors OB/GYN claim patterns, flags documentation deficiencies, and identifies revenue leakage across maternity episodes, surgical encounters, and preventive care visits. ImpactBI.AI delivers real-time dashboards covering delivery metrics, denial trends, and financial performance.

Revenue Recovery Across All Episodes

From global package corrections and split-care adjustments to surgical underpayment recovery and preventive coding audits, AnnexMed identifies and recovers revenue across every dimension of OB/GYN operations. Our ProFee and Facility coding teams cover hospital-based and practice-based billing simultaneously

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Protect revenue across every maternity episode and gynecologic procedure

From prenatal care and global OB packages to surgical billing, preventive screening, and postpartum reimbursement,

Frequently Asked Questions

Most OB-GYN practices are fully operational within 2-3 weeks. We handle credentialing, system integration, global OB tracking setup, and data transfer with minimal disruption.
Yes. We manage both obstetric and gynecologic billing, including global OB packages, gynecologic surgeries, office procedures, and preventive care across all services.
Yes, global OB billing is a core competency. We track antepartum visits, manage delivery billing, handle early deliveries and complications, and code postpartum care.
Our team monitors annual CPT updates, CMS policy changes, ACOG coding guidance, participates in OB-GYN billing webinars, and maintains relationships with major payers.
We accurately code robotic-assisted procedures with proper documentation requirements and stay current on coding updates for minimally invasive gynecologic surgery.
Absolutely. We'll conduct an A/R audit on global OB packages and surgical claims, identify balances, develop a recovery strategy, and work outstanding claims while starting fresh.
Yes, we expertly manage preventive screening coding with proper PT modifier application, diagnosis sequencing, and patient notification to prevent surprise billing situations.
24/7 access to a secure portal with real-time dashboards for claims, payments, denials, delivery metrics, surgical volume, preventive care accuracy, A/R aging, and financial analytics
We maintain an 82-90% overturn rate on appealed OB-GYN claims through proper documentation review, global package justification, and payer-specific appeal strategies.
Yes, we manage comprehensive billing across all settings including hospital deliveries, ASC surgical procedures, office-based gynecology, and colposcopy procedures with appropriate place of service coding.

Case Studies

See the impact we deliver

Discover how AnnexMed reduces denials, accelerates reimbursements, and strengthens financial performance. Backed by measurable outcomes and proven RCM expertise, we deliver operational excellence, revenue stability, and sustainable growth you can trust.

Client Voices

See how our clients succeed

Hear from organizations that trust AnnexMed to reduce denials, accelerate reimbursements, and strengthen cash flow. Our expert support delivers measurable performance gains, operational efficiency, financial stability, and scalable growth.
Global OB billing was our biggest revenue leak. Missed delivery codes, incorrect package splits, and bundling errors cost us thousands monthly. AnnexMed brought specialty-trained coders who understand OB workflows. Claims go out clean and reimbursements improved 30%.
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Dr. Jennifer Walsh

Coastal Women's Health Associates
OB billing with antepartum modifiers and split-care scenarios was a denial nightmare. AnnexMed handles every coding scenario from routine prenatal visits to high-risk deliveries. Our denial rate dropped 48% and billing finally keeps pace with our volume.
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Dr. Rekha Sharma

Lakeview OB/GYN and Maternal Care
Coding for C-sections, postpartum complications, and high-risk pregnancies requires precision our team could not maintain. AnnexMed handles it all. Revenue per delivery increased significantly and we now consistently collect what our providers earn.
Anx Testimonial

Amanda Collins

Summit Women's Health Partners

Proven RCM expertise. Delivered at scale.

For over 20 years, AnnexMed has delivered RCM solutions nationwide, combining expert billing, coding, and AR support to drive measurable results and growth.

Certification

Want to talk to our RCM experts?

    OB-GYN RCM That Covers Every Trimester, Test, and Treatment

    At AnnexMed, we specialize in OB-GYN revenue cycles, syncing our workflows with your care timelines, from routine checkups to high-risk pregnancies and surgical interventions. From coding global maternity packages and gynecologic procedures to managing pre-auths, denials, and payer-specific rules, we help OB-GYN practices secure accurate, timely reimbursements, without missing a beat in patient care.

    What’s Disrupting Revenue in Your OB-GYN Practice?

    OB-GYN billing is layered, with preventive care, surgical coding, maternity packages, and time-sensitive procedures all intersecting. One oversight in documentation or coding can snowball into multiple denials or missed reimbursements.

    OB-GYN Billing Services That Keeps Up With Your Practice

    From annual wellness visits to complex surgeries, AnnexMed’s OB-GYN billing services eliminate coding errors, reduce denials, and streamline revenue across preventive and procedural care.

    OB/GYN RCM Services that match the specialty demands

    From eligibility to claim follow-up, our revenue cycle workflows are built to reflect OB/GYN visit structures, 

    payer rules, and high-volume clinical operations.

    Eligibility Verification Aligned With OB/GYN Billing Needs

    We verify OB/GYN-specific benefits, COB, and coverage for prenatal care, diagnostics, and surgeries before the visit hits billing.

    Pre-Auths That Match the Way Procedures Are Scheduled

    Our team secures authorizations for IUDs, ultrasounds, and LEEPs in sync with your scheduling reducing claim rejections and patient wait times.

    AR Workflows Built for Global Billing and Carve-Outs

    We follow up by OB episode, CPT group, and payer class driving collections while keeping aging AR under control.

    Denials Addressed With RCM Logic, Not Trial and Error

    We trace denial trends back to modifier misuse, documentation gaps, or OB package mismatches and apply permanent fixes.

    Coding and Modifier Precision for OB/GYN Billing

    From problem-plus-preventive visits to surgical follow-ups, we assign CPTs and modifiers to reflect both intent and compliance.

    Built-In Compliance for Every OB/GYN Claim

    Our submission process includes HIPAA checks, payer-specific rules, and documentation audits keeping your revenue cycle inspection-ready.

    Billing Compliance You Can Trust

    Delivering OB/GYN Billing With Compliance at Its Core

    At AnnexMed, every OB/GYN encounter flows through billing workflows designed to meet HIPAA, FDCPA, and payer-specific documentation rules, reducing audit exposure and protecting patient data at every stage.

    Our internal compliance team monitors claim behavior, leads live audits, and ensures documentation integrity through routine QA and HIPAA training. With SOC 2 certification, ISO 27001 security standards, and credentialing oversight in place, your revenue stays defensible, your billing team stays aligned, and your practice stays inspection-ready.

    Annexmed SOC Certification

    SOC 2 Type 1

    Reporting on controls at a service organization
    ISO Certificate

    ISO 27001:2022

    Securing and protecting information
    Annexmed ISO Certification

    ISO 9001:2015

    Achieving quality policy and quality objectives
    Annexmed SOC Certification

    SOC 2 Type 2

    Implemented the SOC 2 approved by AICPA

    Start With What Your OB/GYN Practice Needs Most Right Now

    Whether you need help with OB billing services, AR recovery, or full revenue cycle management, we scale to match your needs.

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