All ICD10 Codes

M21.339

Billable
ChapterM00–M99
Ranksubcategory
Official Description

Wrist drop, unspecified wrist

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •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

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25Other joint disorders (M20-M25)
M21Other acquired deformities of limbs
M21.3Wrist or foot drop (acquired)
M21.33Wrist drop (acquired)
M21.339Wrist drop, unspecified wrist

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M21.339:

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 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 073
Cranial and Peripheral Nerve Disorders with MCC
DRG 074
Cranial and Peripheral Nerve Disorders without MCC

Cross Reference

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