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U.S. ICD-10-CM · FY 2027

T33.539S ICD-10-CM Code: Superficial frostbite of unspecified finger(s), sequela

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

T33.539S

Superficial frostbite of unspecified finger(s), sequela

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where T33.539S sits

  1. 1

    Chapter 19

    Injury, poisoning and certain other consequences of external causes (S00-T88)

  2. 2

    Section

    Frostbite (T33-T34)

  3. 3

    Category T33

    Superficial frostbite

  4. 4

    Subcategory T33.539

    Superficial frostbite of unspecified finger(s)

  5. 5

    Code T33.539S

    Superficial frostbite of unspecified finger(s), sequela

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for T33.539S.

Code first

No “code first” instruction is listed for T33.539S.

Use additional code

No “use additional code” instruction is listed for T33.539S.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T33.539S.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for T33.539S.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code T33.539S mean?

T33.539S is the FY 2027 U.S. ICD-10-CM code for “Superficial frostbite of unspecified finger(s), sequela.”

Is T33.539S a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, T33.539S has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is T33.539S located in ICD-10-CM?

T33.539S is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Frostbite (T33-T34) (T33–T34), under category T33, Superficial frostbite and subcategory T33.539, Superficial frostbite of unspecified finger(s).

What coding notes are listed for T33.539S?

No inclusion terms are listed for T33.539S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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