M87.07

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Idiopathic aseptic necrosis of ankle, foot and toes

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

Instructional Notes

Includes
  • Idiopathic aseptic necrosis of metatarsus, tarsus, and phalanges of toes
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M86-M90Other osteopathies (M86-M90)
M87Osteonecrosis
M87.0Idiopathic aseptic necrosis of bone
M87.07Idiopathic aseptic necrosis of ankle, foot and toesNot billable
M87.071Idiopathic aseptic necrosis of right ankleBillable
M87.072Idiopathic aseptic necrosis of left ankleBillable
M87.073Idiopathic aseptic necrosis of unspecified ankleBillable
M87.074Idiopathic aseptic necrosis of right footBillable
M87.075Idiopathic aseptic necrosis of left footBillable
M87.076Idiopathic aseptic necrosis of unspecified footBillable
M87.077Idiopathic aseptic necrosis of right toe(s)Billable
M87.078Idiopathic aseptic necrosis of left toe(s)Billable
M87.079Idiopathic aseptic necrosis of unspecified toe(s)Billable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M87.07:

categoryM87
Osteonecrosis
View context instructions
blockM86-M90
Other osteopathies (M86-M90)
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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