All ICD10 Codes

M21.94

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Unspecified acquired deformity of hand

Use a more specific code (3 billable)
M21.941Unspecified acquired deformity of hand, right handM21.942Unspecified acquired deformity of hand, left handM21.949Unspecified acquired deformity of hand, unspecified hand
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 M21 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25Other joint disorders (M20-M25)
M21Other acquired deformities of limbs
M21.9Unspecified acquired deformity of limb and hand
M21.94Unspecified acquired deformity of handNot billable
M21.941Unspecified acquired deformity of hand, right handBillable
M21.942Unspecified acquired deformity of hand, left handBillable
M21.949Unspecified acquired deformity of hand, unspecified handBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M21.94:

categoryM21
Other acquired deformities of limbs
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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