D74 ICD-10-CM Code: Methemoglobinemia

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

Official description

D74

Methemoglobinemia

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

Where D74 sits

  1. 1

    Chapter 3

    Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

  2. 2

    Section

    Other disorders of blood and blood-forming organs (D70-D77)

  3. 3

    Category D74

    Methemoglobinemia

  4. 4

    Code D74

    Methemoglobinemia

Codes under D74

D74 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for D74.

Code first

No “code first” instruction is listed for D74.

Use additional code

No “use additional code” instruction is listed for D74.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for D74.

Excludes2

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

No Excludes2 note is listed for D74.

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.

Frequently asked questions

What does ICD-10-CM code D74 mean?

D74 is the FY 2027 U.S. ICD-10-CM code for “Methemoglobinemia.”

Is D74 a billable or specific ICD-10-CM code?

No. D74 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is D74 located in ICD-10-CM?

D74 is listed in Chapter 3, Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), within Other disorders of blood and blood-forming organs (D70-D77) (D70–D77), under category D74, Methemoglobinemia.

What coding notes are listed for D74?

No inclusion terms are listed for D74 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.