ICD-10-CM · FY 2026 APRIL UPDATE

S56.8

Injury of other muscles, fascia and tendons 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
S56.80	Unspecified injury of other muscles, fascia and tendons at forearm level	Category
S56.801	Unspecified injury of other muscles, fascia and tendons at forearm level, right arm	Category
S56.801A	Unspecified injury of other muscles, fascia and tendons at forearm level, right arm, initial encounter	Billable
S56.801D	Unspecified injury of other muscles, fascia and tendons at forearm level, right arm, subsequent encounter	Billable
S56.801S	Unspecified injury of other muscles, fascia and tendons at forearm level, right arm, sequela	Billable
S56.802	Unspecified injury of other muscles, fascia and tendons at forearm level, left arm	Category
S56.802A	Unspecified injury of other muscles, fascia and tendons at forearm level, left arm, initial encounter	Billable
S56.802D	Unspecified injury of other muscles, fascia and tendons at forearm level, left arm, subsequent encounter	Billable
S56.802S	Unspecified injury of other muscles, fascia and tendons at forearm level, left arm, sequela	Billable
S56.809	Unspecified injury of other muscles, fascia and tendons at forearm level, unspecified arm	Category
S56.809A	Unspecified injury of other muscles, fascia and tendons at forearm level, unspecified arm, initial encounter	Billable
S56.809D	Unspecified injury of other muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter	Billable
S56.809S	Unspecified injury of other muscles, fascia and tendons at forearm level, unspecified arm, sequela	Billable
S56.81	Strain of other muscles, fascia and tendons at forearm level	Category
S56.811	Strain of other muscles, fascia and tendons at forearm level, right arm	Category
S56.811A	Strain of other muscles, fascia and tendons at forearm level, right arm, initial encounter	Billable
S56.811D	Strain of other muscles, fascia and tendons at forearm level, right arm, subsequent encounter	Billable
S56.811S	Strain of other muscles, fascia and tendons at forearm level, right arm, sequela	Billable
S56.812	Strain of other muscles, fascia and tendons at forearm level, left arm	Category
S56.812A	Strain of other muscles, fascia and tendons at forearm level, left arm, initial encounter	Billable
S56.812D	Strain of other muscles, fascia and tendons at forearm level, left arm, subsequent encounter	Billable
S56.812S	Strain of other muscles, fascia and tendons at forearm level, left arm, sequela	Billable
S56.819	Strain of other muscles, fascia and tendons at forearm level, unspecified arm	Category
S56.819A	Strain of other muscles, fascia and tendons at forearm level, unspecified arm, initial encounter	Billable
S56.819D	Strain of other muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter	Billable
S56.819S	Strain of other muscles, fascia and tendons at forearm level, unspecified arm, sequela	Billable
S56.82	Laceration of other muscles, fascia and tendons at forearm level	Category
S56.821	Laceration of other muscles, fascia and tendons at forearm level, right arm	Category
S56.821A	Laceration of other muscles, fascia and tendons at forearm level, right arm, initial encounter	Billable
S56.821D	Laceration of other muscles, fascia and tendons 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.