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U.S. ICD-10-CM · FY 2027

X31.XXXD ICD-10-CM Code: Exposure to excessive natural cold, subsequent encounter

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

Code definition

Official description

X31.XXXD

Exposure to excessive natural cold, subsequent encounter

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

Classification

Where X31.XXXD sits

  1. 1

    Chapter 20

    External causes of morbidity (V00-Y99)

  2. 2

    Section

    Accidents (V00-X58)

  3. 3

    Category X31

    Exposure to excessive natural cold

  4. 4

    Code X31.XXXD

    Exposure to excessive natural cold, subsequent encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for X31.XXXD.

Code first

No “code first” instruction is listed for X31.XXXD.

Use additional code

No “use additional code” instruction is listed for X31.XXXD.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for X31.XXXD.

Excludes2

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

No Excludes2 note is listed for X31.XXXD.

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 X31.XXXD mean?

X31.XXXD is the FY 2027 U.S. ICD-10-CM code for “Exposure to excessive natural cold, subsequent encounter.”

Is X31.XXXD a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, X31.XXXD 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 X31.XXXD located in ICD-10-CM?

X31.XXXD is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category X31, Exposure to excessive natural cold.

What coding notes are listed for X31.XXXD?

No inclusion terms are listed for X31.XXXD in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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