U.S. ICD-10-CM · FY 2027

B05.9 ICD-10-CM Code: Measles without complication

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

Code definition

Official description

B05.9

Measles without complication

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

Classification

Where B05.9 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Viral infections characterized by skin and mucous membrane lesions (B00-B09)

  3. 3

    Category B05

    Measles

  4. 4

    Code B05.9

    Measles without complication

Documentation details

Notes for this code

Inclusion terms

  • Measles NOS

Code first

No “code first” instruction is listed for B05.9.

Use additional code

No “use additional code” instruction is listed for B05.9.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for B05.9.

Excludes2

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

No Excludes2 note is listed for B05.9.

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 B05.9 mean?

B05.9 is the FY 2027 U.S. ICD-10-CM code for “Measles without complication.”

Is B05.9 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, B05.9 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 B05.9 located in ICD-10-CM?

B05.9 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Viral infections characterized by skin and mucous membrane lesions (B00-B09) (B00–B09), under category B05, Measles.

What coding notes are listed for B05.9?

Its listed inclusion terms are Measles NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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