M06.09

Billable

ChapterM00–M99

Ranksubcategory

Official Description

Rheumatoid arthritis without rheumatoid factor, multiple sites

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

Clinical Hierarchy

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

M05-M14Inflammatory polyarthropathies (M05-M14)

M06Other rheumatoid arthritis

M06.0Rheumatoid arthritis without rheumatoid factor

M06.09Rheumatoid arthritis without rheumatoid factor, multiple sites

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M06.09:

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 M06.09. 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

rheumatoid

seronegative

multiple site→M06.09

MS-DRG Classification

2026 v43.1

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

DRG 545

Connective Tissue Disorders with MCC

DRG 546

Connective Tissue Disorders with CC

DRG 547

Connective Tissue Disorders without CC/MCC

Cross Reference

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