All ICD10 Codes

M66.85

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Spontaneous rupture of other tendons, thigh

Use a more specific code (3 billable)
M66.851Spontaneous rupture of other tendons, right thighM66.852Spontaneous rupture of other tendons, left thighM66.859Spontaneous rupture of other tendons, unspecified thigh
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 M66 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M65-M67Disorders of synovium and tendon (M65-M67)
M66Spontaneous rupture of synovium and tendon
M66.8Spontaneous rupture of other tendons
M66.85Spontaneous rupture of other tendons, thighNot billable
M66.851Spontaneous rupture of other tendons, right thighBillable
M66.852Spontaneous rupture of other tendons, left thighBillable
M66.859Spontaneous rupture of other tendons, unspecified thighBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M66.85:

categoryM66
Spontaneous rupture of synovium and tendon
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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