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J64 ICD-10-CM Code: Unspecified pneumoconiosis

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

Official description

J64

Unspecified pneumoconiosis

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

Where J64 sits

  1. 1

    Chapter 10

    Diseases of the respiratory system (J00-J99)

  2. 2

    Section

    Lung diseases due to external agents (J60-J70)

  3. 3

    Category J64

    Unspecified pneumoconiosis

  4. 4

    Code J64

    Unspecified pneumoconiosis

Notes for this code

Inclusion terms

No inclusion terms are listed for J64.

Code first

No “code first” instruction is listed for J64.

Use additional code

No “use additional code” instruction is listed for J64.

Excludes1

Conditions that should not be reported together with this code.

  • pneumonoconiosis with tuberculosis, any type in A15 (J65)

Excludes2

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

No Excludes2 note is listed for J64.

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

Frequently asked questions

What does ICD-10-CM code J64 mean?

J64 is the FY 2027 U.S. ICD-10-CM code for “Unspecified pneumoconiosis.”

Is J64 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, J64 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 J64 located in ICD-10-CM?

J64 is listed in Chapter 10, Diseases of the respiratory system (J00-J99), within Lung diseases due to external agents (J60-J70) (J60–J70), under category J64, Unspecified pneumoconiosis.

What coding notes are listed for J64?

No inclusion terms are listed for J64 in this reference record. No code-first instruction is listed. Excludes1 notes: pneumonoconiosis with tuberculosis, any type in A15 (J65). No Excludes2 note is listed.