ICD-10-CM · FY 2026 APRIL UPDATE

S56.41

Strain of extensor muscle, fascia and tendon of other and unspecified finger 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
S56.411	Strain of extensor muscle, fascia and tendon of right index finger at forearm level	Category
S56.411A	Strain of extensor muscle, fascia and tendon of right index finger at forearm level, initial encounter	Billable
S56.411D	Strain of extensor muscle, fascia and tendon of right index finger at forearm level, subsequent encounter	Billable
S56.411S	Strain of extensor muscle, fascia and tendon of right index finger at forearm level, sequela	Billable
S56.412	Strain of extensor muscle, fascia and tendon of left index finger at forearm level	Category
S56.412A	Strain of extensor muscle, fascia and tendon of left index finger at forearm level, initial encounter	Billable
S56.412D	Strain of extensor muscle, fascia and tendon of left index finger at forearm level, subsequent encounter	Billable
S56.412S	Strain of extensor muscle, fascia and tendon of left index finger at forearm level, sequela	Billable
S56.413	Strain of extensor muscle, fascia and tendon of right middle finger at forearm level	Category
S56.413A	Strain of extensor muscle, fascia and tendon of right middle finger at forearm level, initial encounter	Billable
S56.413D	Strain of extensor muscle, fascia and tendon of right middle finger at forearm level, subsequent encounter	Billable
S56.413S	Strain of extensor muscle, fascia and tendon of right middle finger at forearm level, sequela	Billable
S56.414	Strain of extensor muscle, fascia and tendon of left middle finger at forearm level	Category
S56.414A	Strain of extensor muscle, fascia and tendon of left middle finger at forearm level, initial encounter	Billable
S56.414D	Strain of extensor muscle, fascia and tendon of left middle finger at forearm level, subsequent encounter	Billable
S56.414S	Strain of extensor muscle, fascia and tendon of left middle finger at forearm level, sequela	Billable
S56.415	Strain of extensor muscle, fascia and tendon of right ring finger at forearm level	Category
S56.415A	Strain of extensor muscle, fascia and tendon of right ring finger at forearm level, initial encounter	Billable
S56.415D	Strain of extensor muscle, fascia and tendon of right ring finger at forearm level, subsequent encounter	Billable
S56.415S	Strain of extensor muscle, fascia and tendon of right ring finger at forearm level, sequela	Billable
S56.416	Strain of extensor muscle, fascia and tendon of left ring finger at forearm level	Category
S56.416A	Strain of extensor muscle, fascia and tendon of left ring finger at forearm level, initial encounter	Billable
S56.416D	Strain of extensor muscle, fascia and tendon of left ring finger at forearm level, subsequent encounter	Billable
S56.416S	Strain of extensor muscle, fascia and tendon of left ring finger at forearm level, sequela	Billable
S56.417	Strain of extensor muscle, fascia and tendon of right little finger at forearm level	Category
S56.417A	Strain of extensor muscle, fascia and tendon of right little finger at forearm level, initial encounter	Billable
S56.417D	Strain of extensor muscle, fascia and tendon of right little finger at forearm level, subsequent encounter	Billable
S56.417S	Strain of extensor muscle, fascia and tendon of right little finger at forearm level, sequela	Billable
S56.418	Strain of extensor muscle, fascia and tendon of left little finger at forearm level	Category
S56.418A	Strain of extensor muscle, fascia and tendon of left little finger at forearm level, initial 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.