M13.88

Billable

ChapterM00–M99

Ranksubcategory

Official Description

Other specified arthritis, other site

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

General instructions are available for the parent sections:

View CH13 Notes View M13 Notes View M13.8 Notes

Clinical Hierarchy

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

M05-M14Inflammatory polyarthropathies (M05-M14)

M13Other arthritis

M13.8Other specified arthritis

M13.88Other specified arthritis, other site

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M13.88:

subcategoryM13.8

Other specified arthritis

View context instructions

categoryM13

Other arthritis

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 M13.88. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)1 unique routes

specified form NEC

specified joint NEC→M13.88

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 553

Bone Diseases and Arthropathies with MCC

DRG 554

Bone Diseases and Arthropathies without MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Other specified arthritis, other site.

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