IP-DRG Coding Services | Agentic AI + Certified Inpatient Coders | Alpine Pro Health
IP-DRG Coding Services

Inpatient DRG Coding, powered by Agentic AI & Certified Coders.

Quick RCM AI — our proprietary Agentic AI platform — abstracts every inpatient chart first, surfacing CC/MCC opportunities, POA concerns, and grouper-ready code sets. AHIMA and AAPC certified inpatient coders then validate every DRG assignment, helping maximize appropriate reimbursement while keeping every chart CMS IPPS and OIG audit-ready.

CCS / CIC Certified Coders SOC 2 Type II 24-48h Turnaround
SOC 2 Type II ISO 9001:2015 ISO/IEC 20000-1:2018 ISO/IEC 27001:2022 HIPAA Compliant CMS IPPS 2025 OIG Audit Ready
0%
Coding accuracy across all inpatient specialties
Benchmarked through multi-level QA on every chart, every facility type.
0%
Average reduction in DRG-related claim denials
Driven by pre-submission risk detection from Quick RCM AI.
0
Inpatient charts successfully coded and validated
Across MS-DRG, APR-DRG, and commercial payer methodologies.
0%
Reduction in operational coding costs vs. in-house teams
Scalable staffing models absorb surge volume without new headcount.
Understanding IP-DRG

What is IP-DRG coding — and why does it matter?

Inpatient Diagnosis-Related Group coding is how Medicare, Medicaid, and most payers determine reimbursement for hospital inpatient stays. Every episode of care is assigned a DRG based on the principal diagnosis, secondary diagnoses, procedures performed, complications and comorbidities (CC/MCC), patient age, and discharge disposition.

Inaccurate DRG assignment — even a single missed CC or MCC — can mean significant revenue loss, claim denials, or compliance exposure. Quick RCM AI abstracts every chart against this logic first; our certified coders then confirm the assignment so your facility captures every dollar it has earned.

MS-DRG APR-DRG AP-DRG IR-DRG ICD-10-CM/PCS SOI / ROM HAC Screening POA Indicators

Patient Admission & Diagnosis

Principal and secondary diagnoses captured directly from clinical documentation.

ICD-10-CM/PCS Code Assignment

Precise ICD-10 codes applied to diagnoses and inpatient procedures, AI pre-read for accuracy.

Grouper Logic & DRG Assignment

MS-DRG or APR-DRG grouper logic maps validated codes to the correct DRG and severity weight.

Reimbursement Calculation

DRG relative weight × hospital base rate determines the final expected payment.

Compliance & Audit Ready

Full documentation trail, CC/MCC capture, and coder-level quality review on every account.

How Alpine Pro Health helps

Quick RCM AI does the reading. Certified coders make the call.

Every inpatient chart moves through both — never one alone.

What Quick RCM AI Does

  • Pre-reads every chart for key diagnoses, procedures, and documentation cues
  • Surfaces CC/MCC capture opportunities before a coder opens the chart
  • Flags documentation gaps and POA/HAC concerns in real time
  • Recommends grouper-ready MS-DRG and APR-DRG assignments
  • Predicts high-risk claims before submission to prevent denials

What Our Certified Coders Do

  • Review and validate every AI-recommended code and DRG assignment
  • Resolve documentation gaps through CDI query support
  • Apply UHDDS sequencing rules and payer-specific guidelines
  • Make the final, defensible DRG coding decision
  • Complete multi-level QA before a claim is ever released

Quick RCM AI never finalizes a DRG on its own — an AHIMA or AAPC certified inpatient coder always makes the final call.

Our IP-DRG services

End-to-end inpatient coding, powered by Quick RCM AI

From chart abstraction to DRG validation, our certified coders cover every aspect of inpatient revenue integrity.

MS-DRG Coding & Optimization

Accurate principal diagnosis selection, ICD-10-PCS procedure coding, and CC/MCC capture for proper Medicare Severity DRG assignment.

Clinical Documentation Review

Concurrent and retrospective review of inpatient records to catch documentation gaps before they downgrade a DRG or trigger an audit.

APR-DRG Coding

Medicaid and commercial DRG coding that accurately captures Severity of Illness (SOI) and Risk of Mortality (ROM) levels.

CDI Integration & Query Support

Collaborative CDI programs that bridge clinical documentation and coding to improve specificity and DRG accuracy.

DRG Validation & Second-Level Review

Independent validation audits that catch under-coding, over-coding, and errors before claims are ever submitted.

Retrospective Coding & Rebilling

Comprehensive review of previously coded accounts to identify missed revenue and submit corrected claims compliantly.

HAC & POA Coding

Present on Admission indicator assignment and Hospital-Acquired Condition screening to protect reimbursement and compliance.

Grouper systems

MS-DRG vs. APR-DRG — coded accurately, either way

Different payers group inpatient claims differently. Our certified coders and Quick RCM AI are trained across both methodologies.

Medicare

MS-DRG

Medicare Severity DRG is the system CMS uses for inpatient reimbursement under IPPS, classifying patients into one of roughly 760 groups based on diagnoses, procedures, and CC/MCC status.

PayerMedicare / CMS IPPS
Groups~760 DRGs
Severity signalCC / MCC status
Medicaid & Commercial

APR-DRG

All Patient Refined DRG is used primarily by Medicaid and commercial payers, adding Severity of Illness (SOI) and Risk of Mortality (ROM) sub-classifications to each base DRG.

PayerMedicaid / Commercial
Sub-classesSOI & ROM, levels 1–4
Severity signalSOI / ROM level
Why choose Alpine Pro Health?

Your inpatient revenue depends on coding precision

AHIMA & AAPC Certified Coders

Every inpatient coder holds CCS, CIC, or an equivalent credential, with dedicated MS-DRG and APR-DRG specialization.

Quick RCM AI-Powered Workflow

Our proprietary Agentic AI platform surfaces documentation gaps, CC/MCC opportunities, and POA concerns in real time — before a coder opens the chart.

99%+ Accuracy with Ongoing QA

Every account undergoes multi-level quality review, with accuracy tracked per coder and per facility type.

Scalable Capacity, Fast Turnaround

Flexible staffing models handle surge volume and backlog clearance, with 24-48 hour turnaround for standard inpatient accounts.

Full HIPAA Compliance & Data Security

SOC 2-aligned infrastructure, encrypted data pipelines, and role-based access controls safeguard PHI at every stage.

Our process

How we deliver accurate IP-DRG coding

A streamlined, Agentic AI-enabled workflow from chart intake to clean claim submission.

01 · Chart Intake & Abstraction

Secure EHR access or chart upload. Quick RCM AI pre-reads for key diagnoses, procedures, and documentation cues.

01
02

02 · ICD-10-CM/PCS Coding

Certified coders assign principal & secondary diagnoses, inpatient procedures, and POA indicators.

03 · DRG Grouping & Validation

DRG grouper is run, CC/MCC checked, SOI/ROM levels validated, and discrepancies flagged for CDI query.

03
04

04 · Quality Review & Audit

Second-level QA review, with compliance checks against CMS IPPS, PEPPER, and payer-specific guidelines.

05 · Claim Submission & Reporting

Coded data delivered to your billing system, with monthly DRG mix reports and performance dashboards.

05
Coding expertise

Inpatient specialties we code

Our coders are trained across high-complexity inpatient MDCs and surgical DRG families. Select a specialty to see what's covered.

MDC 5

Cardiology & Cardiovascular Surgery

High-complexity, high-reimbursement DRGs where CC/MCC capture and precise procedure coding directly affect payment.

  • Coronary artery bypass grafting (CABG) — DRG 231–236
  • AMI and heart failure with CC/MCC capture
  • PTCA, valve replacement, pacemaker/ICD implant
  • Cardiac catheterization and electrophysiology
MDC 1

Neurology & Neurosurgery

Stroke, craniotomy, and spinal procedure coding where MCC differentiation carries significant reimbursement weight.

  • Stroke, TIA, and intracranial hemorrhage coding
  • Craniotomy and complex spinal surgery DRGs
  • Seizures, encephalopathy, altered mental status
  • Traumatic brain injury with MCC differentiation
MDC 8

Orthopedics & Musculoskeletal

High-volume surgical DRGs where accurate revision and CC/MCC distinction protects appropriate reimbursement.

  • Total joint replacement (hip, knee) — DRG 469–470
  • Fracture management and spinal fusion coding
  • Revision arthroplasty with CC/MCC distinction
  • Amputation and soft tissue procedures
MDC 4

Pulmonology & Critical Care

Respiratory, ventilator, and ICU DRGs — where sepsis and organ dysfunction capture is frequently missed.

  • Respiratory failure, ARDS, mechanical ventilation
  • COPD, pneumonia, pulmonary embolism
  • Sepsis coding with organ dysfunction capture
  • Post-COVID complications and long-COVID inpatient care
Compliance & standards

Coding that stands up to scrutiny

Built on a foundation of regulatory compliance, consistent with CMS, OIG, and payer-specific guidelines.

CMS IPPS Compliance

Full alignment with CMS Inpatient Prospective Payment System rules, annual ICD-10 updates, and Official Coding Guidelines.

OIG & RAC Audit Readiness

Coding decisions are documented and defensible, with focus on DRG pairs historically targeted by RAC, MAC, and OIG auditors.

UHDDS Compliance

Strict adherence to Uniform Hospital Discharge Data Set guidelines for principal diagnosis selection and sequencing.

HIPAA & Data Security

All PHI is handled under HIPAA-compliant protocols with encrypted transfers, access controls, and signed BAAs.

PEPPER Benchmarking

We use CMS payment-pattern data to benchmark your DRG mix and identify outlier risk areas.

Payer-Specific Guidelines

Coding aligned to Medicare, Medicaid, commercial, and managed care policies — including major national payers.

Industries we serve

Built for the organizations running inpatient care

Hospitals
Health Systems
Physician Groups
Billing Companies
Academic Medical Centers
FAQ

Common questions about IP-DRG coding

MS-DRG is the system Medicare uses for inpatient reimbursement under IPPS, sorting cases into roughly 760 groups based on diagnoses, procedures, and CC/MCC status. APR-DRG is used primarily by Medicaid and commercial payers, adding Severity of Illness (SOI) and Risk of Mortality (ROM) sub-classifications to each DRG. We code both accurately.
CC/MCC status determines which DRG tier a case falls into — a pneumonia case without a CC may pay meaningfully less than the same case coded with an MCC. Missing these across hundreds of monthly discharges creates real, preventable revenue leakage, which is exactly what Quick RCM AI and our CDI specialists are trained to catch.
Yes. We support integration with 200+ EHR and practice management platforms, including Epic, Cerner, Meditech, Allscripts, and Athenahealth, via secure VPN access or encrypted SFTP chart exports. Coded data returns in your preferred format.
Standard inpatient accounts are coded within 24-48 hours. Complex surgical and critical care accounts may need 48-72 hours. For DNFB backlog projects, we provide a detailed timeline with milestone reporting up front.
Our denials team reviews every DRG-related denial, prepares clinical coding rationale letters, and supports peer-to-peer reviews when required — tracking patterns by payer and DRG family to prevent recurrence.
Yes. All inpatient coders hold AHIMA or AAPC credentials relevant to facility coding — including CCS, CIC, and RHIA/RHIT — and maintain continuing education against annual ICD-10 and CMS IPPS updates.

Request a free consultation

A coding manager will follow up within one business day.

Get in touch

Ready to optimize your inpatient DRG revenue?

Tell us about your current volume, DRG mix, and denial challenges. A coding manager will follow up with a straightforward assessment — including where Quick RCM AI could help.

Business Email
info@alpineprohealth.com
Business Phone
+1 (914) 444-2409
Business Hours
Mon–Fri, 9:00 AM – 7:00 PM ET

Ready to capture every dollar your inpatient charts have earned?

Talk to an inpatient coding specialist about how Quick RCM AI and our certified DRG coders can strengthen accuracy, prevent denials, and speed turnaround for your volume.

Talk to Our Experts Today