All ICD10 Codes

M05.46

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Rheumatoid myopathy with rheumatoid arthritis of knee

Use a more specific code (3 billable)
M05.461Rheumatoid myopathy with rheumatoid arthritis of right kneeM05.462Rheumatoid myopathy with rheumatoid arthritis of left kneeM05.469Rheumatoid myopathy with rheumatoid arthritis of unspecified knee
Metadata & Insights
  • •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 NotesView M05 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M05-M14Inflammatory polyarthropathies (M05-M14)
M05Rheumatoid arthritis with rheumatoid factor
M05.4Rheumatoid myopathy with rheumatoid arthritis
M05.46Rheumatoid myopathy with rheumatoid arthritis of kneeNot billable
M05.461Rheumatoid myopathy with rheumatoid arthritis of right kneeBillable
M05.462Rheumatoid myopathy with rheumatoid arthritis of left kneeBillable
M05.469Rheumatoid myopathy with rheumatoid arthritis of unspecified kneeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M05.46:

categoryM05
Rheumatoid arthritis with rheumatoid factor
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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