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ICD-10-CM Current in FY 2027

S56.329A

Laceration of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where S56.329A sits in the official hierarchy. Each level is the code it is classified under.

  1. S56 Injury of muscle, fascia and tendon at forearm level
  2. S56.3 Injury of extensor or abductor muscles, fascia and tendons of thumb at forearm level
  3. S56.32 Laceration of extensor or abductor muscles, fascia and tendons of thumb at forearm level
  4. S56.329 Parent Laceration of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level
  5. S56.329A This code Laceration of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes2

injury of muscle, fascia and tendon at or below wrist ( S66 .-)

Inherited from S56 — Injury of muscle, fascia and tendon at forearm level

Excludes2

sprain of joints and ligaments of elbow ( S53.4- )

Inherited from S56 — Injury of muscle, fascia and tendon at forearm level

Code Also

any associated open wound ( S51 .-)

Inherited from S56 — Injury of muscle, fascia and tendon at forearm level

7th Character

The appropriate 7th character is to be added to each code from category S56

Inherited from S56 — Injury of muscle, fascia and tendon at forearm level

7th Character

A - initial encounter

Inherited from S56 — Injury of muscle, fascia and tendon at forearm level

7th Character

D - subsequent encounter

Inherited from S56 — Injury of muscle, fascia and tendon at forearm level

7th Character

S - sequela

Inherited from S56 — Injury of muscle, fascia and tendon at forearm level

Version History

How S56.329A appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Laceration of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter

  2. FY 2026 Effective

    Unchanged

    Laceration of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter

Related Codes

Other codes under S56.329

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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