ICD-10-CM · FY 2026 APRIL UPDATE

S56.5

Injury of other extensor muscle, fascia and tendon 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

CODE	DESCRIPTION	TYPE
S56.50	Unspecified injury of other extensor muscle, fascia and tendon at forearm level	Category
S56.501	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, right arm	Category
S56.501A	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, right arm, initial encounter	Billable
S56.501D	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, right arm, subsequent encounter	Billable
S56.501S	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, right arm, sequela	Billable
S56.502	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, left arm	Category
S56.502A	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, left arm, initial encounter	Billable
S56.502D	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, left arm, subsequent encounter	Billable
S56.502S	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, left arm, sequela	Billable
S56.509	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, unspecified arm	Category
S56.509A	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, unspecified arm, initial encounter	Billable
S56.509D	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, unspecified arm, subsequent encounter	Billable
S56.509S	Unspecified injury of other extensor muscle, fascia and tendon at forearm level, unspecified arm, sequela	Billable
S56.51	Strain of other extensor muscle, fascia and tendon at forearm level	Category
S56.511	Strain of other extensor muscle, fascia and tendon at forearm level, right arm	Category
S56.511A	Strain of other extensor muscle, fascia and tendon at forearm level, right arm, initial encounter	Billable
S56.511D	Strain of other extensor muscle, fascia and tendon at forearm level, right arm, subsequent encounter	Billable
S56.511S	Strain of other extensor muscle, fascia and tendon at forearm level, right arm, sequela	Billable
S56.512	Strain of other extensor muscle, fascia and tendon at forearm level, left arm	Category
S56.512A	Strain of other extensor muscle, fascia and tendon at forearm level, left arm, initial encounter	Billable
S56.512D	Strain of other extensor muscle, fascia and tendon at forearm level, left arm, subsequent encounter	Billable
S56.512S	Strain of other extensor muscle, fascia and tendon at forearm level, left arm, sequela	Billable
S56.519	Strain of other extensor muscle, fascia and tendon at forearm level, unspecified arm	Category
S56.519A	Strain of other extensor muscle, fascia and tendon at forearm level, unspecified arm, initial encounter	Billable
S56.519D	Strain of other extensor muscle, fascia and tendon at forearm level, unspecified arm, subsequent encounter	Billable
S56.519S	Strain of other extensor muscle, fascia and tendon at forearm level, unspecified arm, sequela	Billable
S56.52	Laceration of other extensor muscle, fascia and tendon at forearm level	Category
S56.521	Laceration of other extensor muscle, fascia and tendon at forearm level, right arm	Category
S56.521A	Laceration of other extensor muscle, fascia and tendon at forearm level, right arm, initial encounter	Billable
S56.521D	Laceration of other extensor muscle, fascia and tendon at forearm level, right arm, subsequent encounter	Billable

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.