AICD Generator Procedures

Principal diagnosis codes (0)

Source: official CMS ICD-10 MS-DRG Definitions Manual. This page shows the principal-diagnosis code list only, for informational purposes — it is not a DRG grouper and does not determine actual DRG assignment, which also depends on procedures, complications/comorbidities (CC/MCC), age, discharge status, and payer-specific edits. See our Disclaimer.

Data current as of FY2026 CMS/NCHS release. Not affiliated with or endorsed by CMS, HHS, or NCHS.

ICD-10-CM

Diagnosis Codes Diagnosis Index External Causes Index Table of Drugs Table of Neoplasms Coding Guidelines

Other Code Sets

ICD-10-PCS Procedure Codes HCPCS Level II Codes ICD-9-CM Diagnosis Codes ICD-9-CM Procedure Codes

Tools

ICD-9 ↔ ICD-10 Crosswalk MS-DRG Lookup Annual Code Changes

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