AutoICD API

S56.4

Non-billable

Inj extensor musc/fasc/tend and unsp finger at forarm lv

Injury of extensor muscle, fascia and tendon of other and unspecified finger at forearm level

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

S50-S59

Parent Code

S56

Child Codes

4

ICD-11 Mapping

1 equivalent

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Use Additional Code

Additional codes that should follow this code

Code Also

A second code may be required; sequencing depends on circumstances

Child Codes (4)

S56.40

Unsp inj extn musc/fasc/tend and unsp finger at forarm lv

S56.41

Strain extensor musc/fasc/tend and unsp finger at forarm lv

S56.42

Lacerat extensor musc/fasc/tend and unsp finger at forarm lv

S56.49

Inj extensor musc/fasc/tend and unsp finger at forearm level

Related Codes(7)
S56.0

Injury of flexor musc/fasc/tend thumb at forearm level

S56.1

Injury of flexor musc/fasc/tend and unsp finger at forarm lv

S56.2

Injury of flexor muscle, fascia and tendon at forearm level

S56.3

Injury of extn/abdr musc/fasc/tend of thumb at forearm level

S56.5

Injury of extn musc/fasc/tend at forearm level

S56.8

Injury of other muscles, fascia and tendons at forearm level

S56.9

Injury of unsp muscles, fascia and tendons at forearm level

ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

NC36.4ZInjury of extensor muscle, fascia or tendon of other finger at forearm level, unspecifiedequivalentPrimary
Also Known As / Clinical Terms(2)

UMLS

Frequently Asked Questions
What is the ICD-10 code for inj extensor musc/fasc/tend and unsp finger at forarm lv?

The ICD-10-CM code for inj extensor musc/fasc/tend and unsp finger at forarm lv is S56.4. The full clinical description is "Injury of extensor muscle, fascia and tendon of other and unspecified finger at forearm level". S56.4 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code S56.4 mean?

ICD-10-CM code S56.4 represents “Injury of extensor muscle, fascia and tendon of other and unspecified finger at forearm level”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.

Is S56.4 a billable code?

No, S56.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under S56.4.

What chapter is S56.4 in?

S56.4 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S56.4?

S56.4 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).

What are the subcategories under S56.4?

S56.4 has 4 child codes, including: S56.40 (Unsp inj extn musc/fasc/tend and unsp finger at forarm lv), S56.41 (Strain extensor musc/fasc/tend and unsp finger at forarm lv), S56.42 (Lacerat extensor musc/fasc/tend and unsp finger at forarm lv), S56.49 (Inj extensor musc/fasc/tend and unsp finger at forearm level).

Are additional codes required with S56.4?

Yes, when using S56.4, also report: any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S56.4?

S56.4 is linked to 1 UMLS Concept Unique Identifier: C2848058. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does S56.4 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like inj extensor musc/fasc/tend and unsp finger at forarm lv affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of S56.4?

S56.4 maps to the ICD-11 code: NC36.4Z (Injury of extensor muscle, fascia or tendon of other finger at forearm level, unspecified).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.