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ICD-10-CM · FY 2026 APRIL UPDATE

S55

Injury of blood vessels at forearm 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
S55.0Injury of ulnar artery at forearm levelCategory
S55.00Unspecified injury of ulnar artery at forearm levelCategory
S55.001Unspecified injury of ulnar artery at forearm level, right armCategory
S55.001AUnspecified injury of ulnar artery at forearm level, right arm, initial encounterBillable
S55.001DUnspecified injury of ulnar artery at forearm level, right arm, subsequent encounterBillable
S55.001SUnspecified injury of ulnar artery at forearm level, right arm, sequelaBillable
S55.002Unspecified injury of ulnar artery at forearm level, left armCategory
S55.002AUnspecified injury of ulnar artery at forearm level, left arm, initial encounterBillable
S55.002DUnspecified injury of ulnar artery at forearm level, left arm, subsequent encounterBillable
S55.002SUnspecified injury of ulnar artery at forearm level, left arm, sequelaBillable
S55.009Unspecified injury of ulnar artery at forearm level, unspecified armCategory
S55.009AUnspecified injury of ulnar artery at forearm level, unspecified arm, initial encounterBillable
S55.009DUnspecified injury of ulnar artery at forearm level, unspecified arm, subsequent encounterBillable
S55.009SUnspecified injury of ulnar artery at forearm level, unspecified arm, sequelaBillable
S55.01Laceration of ulnar artery at forearm levelCategory
S55.011Laceration of ulnar artery at forearm level, right armCategory
S55.011ALaceration of ulnar artery at forearm level, right arm, initial encounterBillable
S55.011DLaceration of ulnar artery at forearm level, right arm, subsequent encounterBillable
S55.011SLaceration of ulnar artery at forearm level, right arm, sequelaBillable
S55.012Laceration of ulnar artery at forearm level, left armCategory
S55.012ALaceration of ulnar artery at forearm level, left arm, initial encounterBillable
S55.012DLaceration of ulnar artery at forearm level, left arm, subsequent encounterBillable
S55.012SLaceration of ulnar artery at forearm level, left arm, sequelaBillable
S55.019Laceration of ulnar artery at forearm level, unspecified armCategory
S55.019ALaceration of ulnar artery at forearm level, unspecified arm, initial encounterBillable
S55.019DLaceration of ulnar artery at forearm level, unspecified arm, subsequent encounterBillable
S55.019SLaceration of ulnar artery at forearm level, unspecified arm, sequelaBillable
S55.09Other specified injury of ulnar artery at forearm levelCategory
S55.091Other specified injury of ulnar artery at forearm level, right armCategory
S55.091AOther specified injury of ulnar artery at forearm level, right arm, initial 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.