M19.17

Non-Billable

ChapterM00–M99

Ranksubcategory

Official Description

Post-traumatic osteoarthritis, ankle and foot

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

General instructions are available for the parent sections:

View CH13 Notes View M15-M19 Notes View M19 Notes

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M15-M19Osteoarthritis (M15-M19)

M19Other and unspecified osteoarthritis

M19.1Post-traumatic osteoarthritis of other joints

M19.17Post-traumatic osteoarthritis, ankle and foot

M19.171Post-traumatic osteoarthritis, right ankle and foot

M19.172Post-traumatic osteoarthritis, left ankle and foot

M19.179Post-traumatic osteoarthritis, unspecified ankle and foot

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M19.17:

categoryM19

Other and unspecified osteoarthritis

View context instructions

blockM15-M19

Osteoarthritis (M15-M19)

View context instructions

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to M19.17. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths

Osteoarthritis4 unique routes

ankle

post-traumatic→M19.17

foot joint

post-traumatic→M19.17

post-traumatic NEC(2 variants)

ankle→M19.17

foot joint→M19.17

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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