All ICD10 Codes

M85.57

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Aneurysmal bone cyst, ankle and foot

Use a more specific code (3 billable)
M85.571Aneurysmal bone cyst, right ankle and footM85.572Aneurysmal bone cyst, left ankle and footM85.579Aneurysmal bone cyst, unspecified ankle and foot
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 M85 NotesView M85.5 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M80-M85Disorders of bone density and structure (M80-M85)
M85Other disorders of bone density and structure
M85.5Aneurysmal bone cyst
M85.57Aneurysmal bone cyst, ankle and footNot billable
M85.571Aneurysmal bone cyst, right ankle and footBillable
M85.572Aneurysmal bone cyst, left ankle and footBillable
M85.579Aneurysmal bone cyst, unspecified ankle and footBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M85.57:

subcategoryM85.5
Aneurysmal bone cyst
View context instructions
categoryM85
Other disorders of bone density and structure
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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