All ICD10 Codes

M66.26

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Spontaneous rupture of extensor tendons, lower leg

Use a more specific code (3 billable)
M66.261Spontaneous rupture of extensor tendons, right lower legM66.262Spontaneous rupture of extensor tendons, left lower legM66.269Spontaneous rupture of extensor tendons, unspecified lower leg
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
M66.2Spontaneous rupture of extensor tendons
M66.26Spontaneous rupture of extensor tendons, lower legNot billable
M66.261Spontaneous rupture of extensor tendons, right lower legBillable
M66.262Spontaneous rupture of extensor tendons, left lower legBillable
M66.269Spontaneous rupture of extensor tendons, unspecified lower legBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M66.26:

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

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Spontaneous rupture of extensor tendons, lower leg.

Search PCS Codes