All ICD10 Codes

M65.16

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Other infective (teno)synovitis, knee

Use a more specific code (3 billable)
M65.161Other infective (teno)synovitis, right kneeM65.162Other infective (teno)synovitis, left kneeM65.169Other infective (teno)synovitis, 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 M65 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M65-M67Disorders of synovium and tendon (M65-M67)
M65Synovitis and tenosynovitis
M65.1Other infective (teno)synovitis
M65.16Other infective (teno)synovitis, kneeNot billable
M65.161Other infective (teno)synovitis, right kneeBillable
M65.162Other infective (teno)synovitis, left kneeBillable
M65.169Other infective (teno)synovitis, unspecified kneeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M65.16:

categoryM65
Synovitis and tenosynovitis
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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