All ICD10 Codes

M20.4

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Other hammer toe(s) (acquired)

Use a more specific code (3 billable)
M20.40Other hammer toe(s) (acquired), unspecified footM20.41Other hammer toe(s) (acquired), right footM20.42Other hammer toe(s) (acquired), left 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 M20-M25 NotesView M20 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25Other joint disorders (M20-M25)
M20Acquired deformities of fingers and toes
M20.4Other hammer toe(s) (acquired)Not billable
M20.40Other hammer toe(s) (acquired), unspecified footBillable
M20.41Other hammer toe(s) (acquired), right footBillable
M20.42Other hammer toe(s) (acquired), left footBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M20.4:

categoryM20
Acquired deformities of fingers and toes
View context instructions
blockM20-M25
Other joint disorders (M20-M25)
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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