ICD-10-CM · FY 2026 APRIL UPDATE

S56.9

Injury of unspecified 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
S56.90	Unspecified injury of unspecified muscles, fascia and tendons at forearm level	Category
S56.901	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm	Category
S56.901A	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, initial encounter	Billable
S56.901D	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, subsequent encounter	Billable
S56.901S	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, sequela	Billable
S56.902	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, left arm	Category
S56.902A	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, left arm, initial encounter	Billable
S56.902D	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, left arm, subsequent encounter	Billable
S56.902S	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, left arm, sequela	Billable
S56.909	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm	Category
S56.909A	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm, initial encounter	Billable
S56.909D	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter	Billable
S56.909S	Unspecified injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm, sequela	Billable
S56.91	Strain of unspecified muscles, fascia and tendons at forearm level	Category
S56.911	Strain of unspecified muscles, fascia and tendons at forearm level, right arm	Category
S56.911A	Strain of unspecified muscles, fascia and tendons at forearm level, right arm, initial encounter	Billable
S56.911D	Strain of unspecified muscles, fascia and tendons at forearm level, right arm, subsequent encounter	Billable
S56.911S	Strain of unspecified muscles, fascia and tendons at forearm level, right arm, sequela	Billable
S56.912	Strain of unspecified muscles, fascia and tendons at forearm level, left arm	Category
S56.912A	Strain of unspecified muscles, fascia and tendons at forearm level, left arm, initial encounter	Billable
S56.912D	Strain of unspecified muscles, fascia and tendons at forearm level, left arm, subsequent encounter	Billable
S56.912S	Strain of unspecified muscles, fascia and tendons at forearm level, left arm, sequela	Billable
S56.919	Strain of unspecified muscles, fascia and tendons at forearm level, unspecified arm	Category
S56.919A	Strain of unspecified muscles, fascia and tendons at forearm level, unspecified arm, initial encounter	Billable
S56.919D	Strain of unspecified muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter	Billable
S56.919S	Strain of unspecified muscles, fascia and tendons at forearm level, unspecified arm, sequela	Billable
S56.92	Laceration of unspecified muscles, fascia and tendons at forearm level	Category
S56.921	Laceration of unspecified muscles, fascia and tendons at forearm level, right arm	Category
S56.921A	Laceration of unspecified muscles, fascia and tendons at forearm level, right arm, initial encounter	Billable
S56.921D	Laceration of unspecified 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.