U.S. ICD-10-CM · FY 2027

F73 ICD-10-CM Code: Profound intellectual disabilities

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

Code definition

Official description

F73

Profound intellectual disabilities

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

Classification

Where F73 sits

  1. 1

    Chapter 5

    Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

  2. 2

    Section

    Intellectual Disabilities (F70-F79)

  3. 3

    Category F73

    Profound intellectual disabilities

  4. 4

    Code F73

    Profound intellectual disabilities

Documentation details

Notes for this code

Inclusion terms

  • IQ level below 20-25
  • Profound mental subnormality

Code first

No “code first” instruction is listed for F73.

Use additional code

No “use additional code” instruction is listed for F73.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for F73.

Excludes2

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

No Excludes2 note is listed for F73.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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 F73 mean?

F73 is the FY 2027 U.S. ICD-10-CM code for “Profound intellectual disabilities.”

Is F73 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, F73 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 F73 located in ICD-10-CM?

F73 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Intellectual Disabilities (F70-F79) (F70–F79), under category F73, Profound intellectual disabilities.

What coding notes are listed for F73?

Its listed inclusion terms are IQ level below 20-25; Profound mental subnormality. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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