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

Dermatology Billing Services

Capture Every Procedure. Reduce Denials. Maximize Dermatology Revenue.

End-to-end coding, billing, and revenue cycle management designed specifically for dermatology providers with precision-driven optimization and compliance.

97%+

Clean Claim Rate

20-30%

Revenue Increase

80-88%

Appeal Overturn Rate

28-38%

AR Days Reduction

Dermatology revenue is lost in coding complexity, not volume.

Dermatology billing differs from standard medical billing due to multiple procedures per visit, complex CPT modifier rules, excision coding, Mohs surgery staged billing, pathology coordination, and separating cosmetic from medically necessary services. Coding errors directly lead to denials and underpayment. A single missed modifier or incorrect lesion measurement can trigger cascading claim rejections in high-volume practice settings.
AnnexMed delivers purpose-built dermatology RCM that goes beyond claim submission to optimize procedure capture, enforce modifier compliance, separate cosmetic and medical revenue streams, and maximize reimbursement. Certified coders, ICD-10/CPT precision, denial management address dermatology billing complexity solo practices Mohs surgery centers.
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Trusted by 100+ healthcare providers | AAPC, AHIMA & AAHAM Certified | SOC 2 Type II

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The challenges

Where dermatology practices lose revenue?

Multi-Procedure Coding Complexity

High encounter volumes with multiple simultaneous CPT codes, modifier sequences, and lesion-specific variables create significant risk of undercoding and denials.

Modifier Misuse & Missing Documentation

Incorrect or missing modifiers (25, 51, 59, XS) are the leading cause of dermatology claim denials, particularly for same-day E&M and procedure combinations across practices.

Cosmetic vs. Medical Revenue Confusion

Failure to correctly distinguish medically necessary procedures from non-covered cosmetic services creates compliance risk, billing errors, and lost insurance revenue.

Lesion Measurement & Site Specificity

Stage-by-stage Mohs billing requires precise documentation of each surgical stage, defect dimensions, and repair procedures, and incomplete records can result in lost revenue.

Mohs Surgery Staging & Repair Complexity

Stage-by-stage Mohs billing requires precise documentation of each surgical stage, defect dimensions, and repair procedures; incomplete records leave revenue on the table.

Pathology Billing Coordination

Multi-biopsy encounters, in-office pathology TC/26 billing, and coordination with external labs create overlapping claim risk that requires specialized billing expertise.

Core services

Full-spectrum RCM for every dermatology encounter

The following nine core services are included in AnnexMed’s standard RCM offering for dermatology. Each is customized to dermatology-specific payer rules, CPT/ICD-10 standards, and documentation requirements.

Eligibility & Benefits Verification

We confirm insurance coverage, deductibles, co-pays, and cosmetic exclusions prior to each encounter, preventing coverage-related denials before they occur.

Prior Authorization Management

Full prior auth lifecycle support Mohs surgery, phototherapy, advanced procedures, and high-value treatments submission, follow-up, appeals handled end end.

Claims Submission & Tracking

Clean claims submitted electronically to all payers with modifier validation and multi-procedure sequencing checks before each claim leaves the queue

Denial Management & Appeals

Every denied dermatology claim is reviewed for root cause, whether a modifier error, cosmetic issue, or documentation gap, and appealed with clinical support.

Accounts Receivable Follow-up

Proactive follow-up on outstanding balances keeps AR days below industry benchmarks and prevents revenue aging on high-volume procedure days.

Patient Statements & Collections

Transparent, structured patient billing for both insurance-covered and cosmetic services, improving collections while preserving practice-patient relationships.

Payment Posting & Reconciliation

All payer and patient payments are posted and reconciled daily against expected reimbursements, keeping your books clean and audit-ready at all times.

Provider Credentialing

We manage enrollment and credentialing with commercial payers, Medicare, and Medicaid to keep contracts active and prevent credentialing-related claim delays.

Reporting & Analytics Dashboard

Real-time performance dashboards covering clean claim rates, denial patterns by procedure type, AR aging, lesion coding metrics, and payer-specific trends.

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Ready to uncover dermatology revenue gaps?

Get a customized improvement plan from our dermatology billing specialists, designed to identify gaps across modifiers, procedures, lesion coding, and denials.
Specialty services

Dermatology-specific RCM services

Beyond core RCM, AnnexMed provides procedure-level billing expertise for the coding scenarios that drive the most denials and revenue leakage in dermatology.

Skin Lesion Excision Billing

We code excisions using operative notes and pathology results, selecting correct CPT codes (11400–11646) based on lesion type, size, and site, covering benign and malignant excisions for accurate reimbursement.

Mohs Surgery Billing

We code each Mohs stage using CPT 17311–17315, including add-ons and reconstruction codes by wound size and location, ensuring full capture of surgical, staging, and repair reimbursement value.

Cryotherapy & Lesion Destruction

We apply correct quantity-based cryotherapy codes for actinic keratoses: 17000 for the first lesion, 17003 for lesions 2-14, and 17004 for 15+, with accurate per-encounter lesion counting and anatomical site documentation.

Biopsy & Pathology Coordination

Multi-biopsy encounters are coded accurately using primary codes (11102-11106) and add-on codes (11103-11107) per specimen by technique, with pathology coordination to prevent duplicate billing errors.

Cosmetic vs Medical Coding

We separate cosmetic vs. medical services at every visit, ensuring medically necessary care is billed appropriately while cosmetic procedures are billed to patients for compliance and revenue protection.

Phototherapy & Laser Billing

Narrowband UVB (96910-96913) and photodynamic therapy (96567-96574) billing with documentation of treatment area, dose, and session count to meet payer medical necessity standards.

Teledermatology Billing

Synchronous and asynchronous store-and-forward telehealth billing with current payer policy knowledge, modifier requirements, and state-specific telehealth coverage rules compliance and updates.

Patch Testing & Allergy Billing

Patch testing claims are billed with accurate antigen counts and interpretation documentation to support reimbursement from both commercial payers and Medicare compliance requirements standards.

Dermatology ICD-10 Coding

Dermatology ICD-10 coding from acne (L70.0) and psoriasis (L40.x) to melanoma (C43.x) and actinic keratosis (L57.0) coded to the highest available specificity to support clinical medical necessity documentation.
Technology platform

AI agents & intelligent automation & data & analytics platform for dermatology

AnnexMed’s proprietary AI platforms are configured for dermatology-specific billing patterns, modifier logic, and performance benchmarking.

Dermatology Charge Capture Engine

AI-assisted charge capture validates multi-procedure encounters, modifier sequences, and lesion-specific CPT selection before claims are submitted, preventing systematic undercoding on high-volume procedure days.

Cosmetic vs Medical Classification

Intelligent procedure classification layer that flags potential cosmetic vs. medical coding conflicts and routes encounters for compliance review before billing, protecting revenue and audit standing simultaneously.

Real-Time Denial Detection

Pre-submission denial risk scoring identifies high-risk claims based on payer-specific rules for dermatology modifiers, documentation gaps, and cosmetic coverage exclusions, catching errors before they generate denials.

Payer Authorization Dashboard

Medicare & Payer Authorization Dashboard tracks payer-specific authorizations by patient, CPT code, and procedure type, managing submissions, approvals, expirations, and renewals to prevent authorization denials.

Mohs Surgical Revenue Tracker

Per-case tracking of Mohs surgery revenue by stage count, repair complexity, and anatomical site, with benchmarking against expected reimbursement to surface underpayments and stage-coding discrepancies.

Dermatology Denial Intelligence

Denial pattern analysis by procedure code, modifier, payer, and denial reason with automated appeal generation and audit-ready documentation for dermatology claim denials including disputes and rejections.

Coding reference

Key dermatology CPT codes & billing considerations

Code
Service Description
Billing Considerations
11102-11107

Tangential/punch/incisional biopsy + add-ons

Code by technique and quantity; add-on codes for each additional specimen beyond the first

11400-11446

Benign lesion excision

Code by anatomical site and diameter; three-variable combination, type, site, size, determines exact CPT.

11600-11646

Malignant lesion excision

Pathology confirmation required for malignant coding; coordinate with pathology result prior to billing

17000-17004

Actinic keratosis destruction (cryotherapy)

Quantity-based coding: 17000 first lesion, 17003 lesions 2-14, 17004 for 15 or more per encounter

17106-17286

Destruction of benign/premalignant lesions

Code by lesion type, method, and size; multiple lesion reductions apply with proper modifier sequencing

17311-17315

Mohs micrographic surgery stages

Stage codes 17311/17313 for first stage; add-ons 17312/17314 for each additional; include repair codes

96910-96913

Phototherapy (narrowband UVB)

Document treatment area and number of sessions; medical necessity documentation required per payer

95044

Patch testing for contact dermatitis

Accurate antigen count documentation required; physician interpretation note must accompany claim

Modifier 25

Separate E&M same-day as procedure

Documentation must clearly show separately identifiable evaluation beyond the decision to perform the procedure

Expected outcomes

Measured revenue impact for dermatology practices

20-30%

Increase in Collections Per Visit

97%+

Clean Claim Rate, Surgical Dermatology

28-38%

Reduction in total outstanding AR Days

15-22%

Improvement in Net Collection Rate

95%+

Lesion Coding Accuracy & Compliance

80-88%

Denied Claim Appeal Overturn Rate

Why AnnexMed?

Built for dermatology — not adapted to it

Dermatology-Exclusive Coding Teams

Our billing specialists are trained exclusively in dermatology CPT/ICD-10 coding, not rotated across specialties, delivering accuracy on encounters.

Lesion & Procedure Tracking System

Our proprietary platform tracks multiple lesions, anatomical sites, pathology results, and excision margins per encounter to ensure accurate coding and timely follow-up billing.

Cosmetic Service Revenue Separation

We implement a structured cosmetic-vs-medical differentiation review so practice captures revenue while correctly managing cash-based cosmetic billing.

Mohs & Surgical Dermatology Expertise

Dedicated Mohs billing specialists code every stage, repair, and reconstruction accurately, ensuring practices capture the full reimbursable value of complex surgical cases.

LCD Policy Monitoring & Compliance

Our team monitors Medicare LCD updates for dermatology, tracks commercial payer policy changes, and applies requirements in real time.

Scalable Across Every Practice Model

Whether you are a solo dermatologist, multi-provider group, or Mohs surgery center, AnnexMed's workflows scale to volume and complexity without service gaps.

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.
AnnexMed resolved our multi-procedure modifier denials within the first month. Our clean claim rate went from 88% to 97% and our revenue per visit increased noticeably and consistently.
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Dr. Rebecca Holt

Dermatology Group Practice
The cosmetic vs. medical billing separation alone changed how we run our practice. We stopped leaving insurance money on the table and our patient billing is cleaner than ever
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James Okafor

Multi-Location Dermatology Center
Our Mohs surgery billing used to be a constant source of underpayments. AnnexMed's team understands staging and repair coding at a level we had not seen from any previous vendor
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Sandra Kim

Dermatologic Surgery & Mohs Center

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.

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