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MS-DRG Lookup
DRG 166

MDC 04 — DRG 166

Other Respiratory System O.R. Procedures with MCC

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

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