Suite 1300
Salt Lake City, UT 84111
Block-1 3rd Floor, Perungudi Bypass Rd, Perungudi,
Chennai - 600096
MGR Main Rd,
Perungudi, Chennai - 600096
Villupuram,
Tamil Nadu – 605602
Clinical Documentation Improvement (CDI)
Document Every Condition. Capture Every DRG. Realize Every Dollar.
AI-assisted CDI reviews that close documentation gaps, optimize DRG assignments, and drive compliant reimbursement across every inpatient and outpatient encounter.
15–25%
CMI Improvement
Achievable
40–60%
Physician Query
Response Rate
95%+
CDI Review
Accuracy Rate
20–30%
CC/MCC Capture
Improvement
Documentation gaps cost more than denials
AnnexMed’s Clinical Documentation Improvement program operates as an embedded revenue integrity function, combining AI-driven documentation gap detection, structured concurrent and retrospective review, compliant physician query management, and real-time analytics to capture the full revenue value of the clinical care your hospital delivers.
Where documentation gaps deflate revenue
The following represent the most significant categories of CDI failure across hospital inpatient and outpatient populations.
Under-documented Principal Diagnosis
Missing severity qualifiers,acute vs. chronic, type, etiology, laterality, result in DRG assignments that do not reflect actual patient acuity. A single underdocumented principal diagnosis can reduce MS-DRG weight by 0.3–0.8 points, representing hundreds of dollars per case in lost reimbursement across thousands of admissions annually.
Missed CC/MCC Capture
Secondary diagnoses that qualify as CC or MCC can shift DRG assignments to significantly higher-weighted MS-DRGs, but only when documented with the required specificity. Underdocumented or unlisted conditions meeting CC/MCC criteria represent the single largest source of CDI-recoverable revenue in most hospital inpatient populations.
Incorrect or Absent POA Indicators
POA indicators affect both reimbursement and Hospital-Acquired Condition (HAC) payment adjustments under Medicare. Missing or incorrect POA documentation exposes hospitals to HAC payment penalty risk, creating both a revenue integrity failure and a quality reporting compliance problem that CDI must address concurrently.
Physician Query Resistance and Non-Compliance
Documentation gaps can only be closed through compliant, non-leading physician queries. Without a structured program, standardized formats, response tracking, and escalation workflows, query opportunities are inconsistently captured and revenue is permanently lost after the clinical window closes.
Outpatient HCC Documentation Gaps
For Medicare Advantage and risk-adjusted populations, HCC coding drives capitation payments. Conditions not documented and addressed annually in outpatient encounters are excluded from HCC submissions, deflating risk scores, reducing per-member payments, and understating the true clinical burden of the patient population.
CDI-Coding Disconnect
When CDI specialists and coders operate in silos, without shared query workflows, reconciliation processes, and feedback loops, documentation improvements fail to consistently translate into accurate DRG assignments. CDI effort that does not connect to the coding workflow generates queries without revenue impact.
AnnexMed clinical documentation improvement services
Concurrent Inpatient CDI Review
Real-time medical record review during the active admission by certified CDI specialists. Cases are stratified by DRG, payer, length of stay, and documentation gap probability, with queries initiated within the clinical window when clarification will have maximum DRG and revenue impact
Retrospective CDI Review
Post-discharge review of accounts not captured during concurrent review, focused on identifying documentation opportunities prior to coding completion. Includes DRG validation, secondary diagnosis review, and compliant query initiation where documentation does not reflect care provided.
Physician Query Management
End-to-end query program: compliant query construction to AHIMA/ACDIS standards, EHR-integrated delivery, response tracking, escalation workflows for physicians, and query outcome analytics ensuring documentation clarifications are captured before billing window closes.
CC/MCC Opportunity Analysis
Systematic identification of secondary diagnoses present in clinical documentation that qualify as CC or MCC but are absent from the physician's documented diagnosis list. CC/MCC capture analysis is performed on every concurrent and retrospective review encounter.
DRG Validation & Optimization
Independent DRG validation against the coding team's proposed assignment, identifying discrepancies between CDI-supported DRG and coded DRG, and ensuring the final MS-DRG reflects the full clinical complexity of each inpatient admission before claim submission.
Outpatient CDI (HCC Capture)
HCC-focused CDI review for Medicare Advantage, ACO, and risk-adjusted outpatient populations. Identifies chronic conditions documented in clinical records but absent from encounter diagnoses, supporting complete annual HCC submissions and accurate risk-adjusted payments.
Mortality & PSI/HAC Review
Concurrent and retrospective review of inpatient mortality cases and CMS Patient Safety Indicator (PSI) and Hospital-Acquired Condition (HAC) events, ensuring accurate POA documentation, correct secondary diagnosis sequencing, and compliant coding that reflects clinical facts.
CDI-Coding Alignment Program
Integration of CDI and coding workflows: shared query visibility, discrepancy reconciliation, coder-to-CDI feedback loops, joint case review protocols, and escalation pathways, ensuring CDI documentation improvements consistently translate into accurate DRG assignments.
How it works, the AnnexMed revenue
integrity model?
AnnexMed implements charge capture and CDM management through a three-phase continuous model that transforms revenue integrity from a periodic audit into an ongoing operational function embedded in your hospital’s billing workflow.
-
18+
Years of experience -
40+
Specialties served -
99.1%
Client retention
Phase 1: Assess & Stratify
CMI Baseline Analysis
Quantify current Case Mix Index performance against peer benchmarks and DRG distribution, establishing the documentation gap baseline and revenue recovery opportunity range before the program launches.
Documentation Gap Audit
Retrospective review of recent discharges to identify the highest-frequency documentation deficiency patterns by service line, physician group, diagnosis category, and payer-specific trends.
Query Opportunity Mapping
Physician-level and service-line-level identification of recurring documentation gaps, creating a stratified priority framework that directs CDI effort to the highest-value improvement opportunities.
Phase 2: Review & Query
Concurrent Chart Review
Real-time concurrent review of active inpatient admissions, stratified by DRG weight, payer, LOS, and documentation gap probability. Queries initiated within the clinical window while physicians are actively managing the patient.
Physician Query Execution
Physician-level and service-line-level identification of recurring documentation gaps, creating a stratified priority framework that directs CDI effort to the highest-value improvement opportunities and outcomes.
CDI-Coder Alignment
Shared case visibility between CDI specialists and coders, with real-time discrepancy flagging, joint review of complex cases, and reconciliation workflows that ensure documentation improvements translate into accurate DRG assignments.
Phase 3: Monitor & Optimize
Real-Time Analytics
Continuous CDI performance monitoring via Data & Analytics Platform: review penetration rates, query volumes and response rates, CC/MCC capture trends, CMI movement, DRG discrepancy rates, and revenue impact, live for CDI and finance leadership.
Ongoing Physician Education
Specialty-specific documentation education delivered at the department level, targeting recurring documentation patterns identified in review data and closing knowledge gaps before they generate future revenue loss and inefficiencies.
Continuous Program Maintenance
Ongoing account stratification, retrospective review of uncaptured concurrent opportunities, and program performance calibration as payer mix, service line volumes, and documentation patterns continuously evolve.
Technology platform, revenue integrity modules
AnnexMed’s proprietary platforms, AI Agents & Intelligent Automation and Data & Analytics Platform, include dedicated modules built specifically for hospital charge capture integrity and CDM governance. These tools eliminate the manual reconciliation bottlenecks that limit charge accuracy in traditional CDM management programs.
AI-Driven Documentation Gap Detection
DRG Optimization & Validation Engine
Physician Query Management System
CMI & Revenue Impact Dashboard
CC/MCC Opportunity Tracker
Monitors CC/MCC capture rates against expected rates for the patient population, identifying departments and physician groups with below-benchmark documentation rates. Trend analysis distinguishes documentation improvement opportunities from genuine population health changes, directing targeted CDI education and review effort.
CDI-Coder Alignment Monitor
Tracks CDI-to-coding workflow alignment: DRG discrepancy rates, query follow-through rates, cases coded before CDI review completion, and reconciliation outcome tracking. Identifies systematic workflow disconnects before they result in uncaptured revenue and supports continuous process improvement across the integrated CDI and coding program.
CDI standards & regulatory framework
Dimension
Detail
AnnexMed Approach
MS-DRG Assignment
MS-DRGs determine inpatient reimbursement based on principal diagnosis, secondary diagnoses (CC/MCC), procedures, and patient demographics, with DRG weights ranging from 0.1 to over 30.0 relative weight points
CDI review validates every inpatient account against current MS-DRG grouper logic to ensure documentation supports the accurate DRG weight assignment.
CC/MCC Definitions
CC and MCC designations are assigned to ICD-10-CM diagnosis codes by CMS, conditions that, when documented and coded as secondary diagnoses, increase MS-DRG complexity weight and reimbursement
CC/MCC capture analysis performed on every concurrent and retrospective CDI review encounter, with query initiated for every documented but uncoded qualifying condition
POA Indicators & Validation
Present on Admission indicators are required on all inpatient Medicare and Medicaid UB-04 claims distinguishing conditions existing at admission from those that developed during stay. Incorrect POA assignment can trigger penalties.
POA review integrated into every inpatient CDI review; physician queries initiated for absent or clinically unclear POA documentation and validation checks.
HCC Risk Adjustment
HCCs are used by CMS to risk-adjust capitation payments for Medicare Advantage, ACO, and value-based care arrangements. HCC scores are based on diagnoses submitted from outpatient encounters within the calendar year
Annual HCC-focused outpatient CDI review identifies chronic conditions present but absent from encounter diagnoses, supporting complete and accurate HCC submissions
Physician Query Compliance
AHIMA and ACDIS joint guidelines require queries be compliant (non-leading), use standardized formats, and be supported by clinical indicators in the record. Non-compliant queries create audit and compliance risk
All AnnexMed physician queries constructed to AHIMA/ACDIS joint operating guidelines; query compliance audited quarterly as part of program QA framework.
CMI Benchmarking
Case Mix Index is a summary measure of average DRG weight across all inpatient discharges, used by CMS and payers to compare hospital complexity. CMI below peer benchmarks signals documentation gap opportunity
CMI trending tracked monthly by service line and payer; CDI effort directed to service lines with the largest gap between clinical complexity and documented CMI
Expected financial & operational outcomes
15–25%
CMI
Improvement
40–60%
Query Response Rate
95%+
CDI Accuracy Rate
$800–$1,200
Revenue Per
Query
20–30%
CC/MCC Improvement
30–40%
Denial Reduction Rate
Why AnnexMed for clinical documentation improvement
Most CDI programs focus on concurrent review alone. AnnexMed builds CDI as a continuous revenue integrity function combining concurrent and retrospective review, AI-driven gap detection, compliant query management.
Concurrent and Retrospective CDI Coverage
Our CDI and coding workflows are fully integrated with shared case visibility, discrepancy reconciliation, feedback loops, and joint review protocols. Documentation gains only create value when they reach coding. Integration is foundational, not optional.
AI-Driven Documentation Gap Detection at Scale
AI Agents & Intelligent Automation reviews clinical documentation against ICD-10-CM/PCS guidelines and MS-DRG grouper logic, identifying CC/MCC opportunities, principal diagnosis specificity gaps, and DRG discrepancies before cases reach coding. CDI specialists review AI-flagged exceptions, not every chart.
Compliant Physician Query Expertise
Every AnnexMed physician query is constructed to AHIMA/ACDIS joint operating guidelines, non-leading, supported by clinical indicators, delivered through compliant formats, and tracked through resolution. Query compliance is audited quarterly. We do not take shortcuts that create audit exposure.
CDI-Coding Integration by Design
Our CDI and coding workflows are built to connect, with shared case visibility, discrepancy reconciliation, feedback loops, and joint review protocols. Documentation improvements that do not reach the coding workflow do not generate revenue impact. Integration is not optional, it is foundational to program design.
Outpatient and HCC CDI Capability
AnnexMed extends CDI into outpatient and value-based care settings, supporting accurate HCC submissions, risk-adjusted payments, and complete chronic condition capture for Medicare Advantage and ACO populations where outpatient CDI drives revenue impact.
No Additional Technology Cost
AI Agents & Intelligent Automation and Data & Analytics Platform are included in the AnnexMed engagement. Hospitals receive AI-driven gap detection, query management, CMI dashboards, and CDI-coding alignment without extra technology cost.
Stop Missing DRG Revenue. Capture It Before It’s Lost
Identify documentation gaps, missed CC/MCC opportunities, and CMI variance in just 2 weeks, with a prioritized improvement plan at no cost.
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
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.
- 20+ years of proven healthcare RCM experience
- 1,500+ professionals supporting billing, coding & AR
- 500+ certified coders across multiple specialties
- 99%+ compliance with HIPAA and security standards
- All 50 states served with consistent, scalable operations
