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ICD-10-CM · FY 2026 APRIL UPDATE

S44

Injury of nerves at shoulder and upper arm level

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
S44.0Injury of ulnar nerve at upper arm levelCategory
S44.00Injury of ulnar nerve at upper arm level, unspecified armCategory
S44.00XAInjury of ulnar nerve at upper arm level, unspecified arm, initial encounterBillable
S44.00XDInjury of ulnar nerve at upper arm level, unspecified arm, subsequent encounterBillable
S44.00XSInjury of ulnar nerve at upper arm level, unspecified arm, sequelaBillable
S44.01Injury of ulnar nerve at upper arm level, right armCategory
S44.01XAInjury of ulnar nerve at upper arm level, right arm, initial encounterBillable
S44.01XDInjury of ulnar nerve at upper arm level, right arm, subsequent encounterBillable
S44.01XSInjury of ulnar nerve at upper arm level, right arm, sequelaBillable
S44.02Injury of ulnar nerve at upper arm level, left armCategory
S44.02XAInjury of ulnar nerve at upper arm level, left arm, initial encounterBillable
S44.02XDInjury of ulnar nerve at upper arm level, left arm, subsequent encounterBillable
S44.02XSInjury of ulnar nerve at upper arm level, left arm, sequelaBillable
S44.1Injury of median nerve at upper arm levelCategory
S44.10Injury of median nerve at upper arm level, unspecified armCategory
S44.10XAInjury of median nerve at upper arm level, unspecified arm, initial encounterBillable
S44.10XDInjury of median nerve at upper arm level, unspecified arm, subsequent encounterBillable
S44.10XSInjury of median nerve at upper arm level, unspecified arm, sequelaBillable
S44.11Injury of median nerve at upper arm level, right armCategory
S44.11XAInjury of median nerve at upper arm level, right arm, initial encounterBillable
S44.11XDInjury of median nerve at upper arm level, right arm, subsequent encounterBillable
S44.11XSInjury of median nerve at upper arm level, right arm, sequelaBillable
S44.12Injury of median nerve at upper arm level, left armCategory
S44.12XAInjury of median nerve at upper arm level, left arm, initial encounterBillable
S44.12XDInjury of median nerve at upper arm level, left arm, subsequent encounterBillable
S44.12XSInjury of median nerve at upper arm level, left arm, sequelaBillable
S44.2Injury of radial nerve at upper arm levelCategory
S44.20Injury of radial nerve at upper arm level, unspecified armCategory
S44.20XAInjury of radial nerve at upper arm level, unspecified arm, initial encounterBillable
S44.20XDInjury of radial nerve at upper arm level, unspecified arm, subsequent encounterBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.