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ICD-10-CM · FY 2026 APRIL UPDATE

S55.9

Injury of unspecified blood vessel 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
S55.90Unspecified injury of unspecified blood vessel at forearm levelCategory
S55.901Unspecified injury of unspecified blood vessel at forearm level, right armCategory
S55.901AUnspecified injury of unspecified blood vessel at forearm level, right arm, initial encounterBillable
S55.901DUnspecified injury of unspecified blood vessel at forearm level, right arm, subsequent encounterBillable
S55.901SUnspecified injury of unspecified blood vessel at forearm level, right arm, sequelaBillable
S55.902Unspecified injury of unspecified blood vessel at forearm level, left armCategory
S55.902AUnspecified injury of unspecified blood vessel at forearm level, left arm, initial encounterBillable
S55.902DUnspecified injury of unspecified blood vessel at forearm level, left arm, subsequent encounterBillable
S55.902SUnspecified injury of unspecified blood vessel at forearm level, left arm, sequelaBillable
S55.909Unspecified injury of unspecified blood vessel at forearm level, unspecified armCategory
S55.909AUnspecified injury of unspecified blood vessel at forearm level, unspecified arm, initial encounterBillable
S55.909DUnspecified injury of unspecified blood vessel at forearm level, unspecified arm, subsequent encounterBillable
S55.909SUnspecified injury of unspecified blood vessel at forearm level, unspecified arm, sequelaBillable
S55.91Laceration of unspecified blood vessel at forearm levelCategory
S55.911Laceration of unspecified blood vessel at forearm level, right armCategory
S55.911ALaceration of unspecified blood vessel at forearm level, right arm, initial encounterBillable
S55.911DLaceration of unspecified blood vessel at forearm level, right arm, subsequent encounterBillable
S55.911SLaceration of unspecified blood vessel at forearm level, right arm, sequelaBillable
S55.912Laceration of unspecified blood vessel at forearm level, left armCategory
S55.912ALaceration of unspecified blood vessel at forearm level, left arm, initial encounterBillable
S55.912DLaceration of unspecified blood vessel at forearm level, left arm, subsequent encounterBillable
S55.912SLaceration of unspecified blood vessel at forearm level, left arm, sequelaBillable
S55.919Laceration of unspecified blood vessel at forearm level, unspecified armCategory
S55.919ALaceration of unspecified blood vessel at forearm level, unspecified arm, initial encounterBillable
S55.919DLaceration of unspecified blood vessel at forearm level, unspecified arm, subsequent encounterBillable
S55.919SLaceration of unspecified blood vessel at forearm level, unspecified arm, sequelaBillable
S55.99Other specified injury of unspecified blood vessel at forearm levelCategory
S55.991Other specified injury of unspecified blood vessel at forearm level, right armCategory
S55.991AOther specified injury of unspecified blood vessel at forearm level, right arm, initial encounterBillable
S55.991DOther specified injury of unspecified blood vessel at forearm level, right 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.