U.S. ICD-10-CM · FY 2027

A15.4 ICD-10-CM Code: Tuberculosis of intrathoracic lymph nodes

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

Code definition

Official description

A15.4

Tuberculosis of intrathoracic lymph nodes

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

Classification

Where A15.4 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Tuberculosis (A15-A19)

  3. 3

    Category A15

    Respiratory tuberculosis

  4. 4

    Code A15.4

    Tuberculosis of intrathoracic lymph nodes

Documentation details

Notes for this code

Inclusion terms

  • Tuberculosis of hilar lymph nodes
  • Tuberculosis of mediastinal lymph nodes
  • Tuberculosis of tracheobronchial lymph nodes

Code first

No “code first” instruction is listed for A15.4.

Use additional code

No “use additional code” instruction is listed for A15.4.

Excludes1

Conditions that should not be reported together with this code.

  • tuberculosis specified as primary (A15.7)

Excludes2

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

No Excludes2 note is listed for A15.4.

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 A15.4 mean?

A15.4 is the FY 2027 U.S. ICD-10-CM code for “Tuberculosis of intrathoracic lymph nodes.”

Is A15.4 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, A15.4 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 A15.4 located in ICD-10-CM?

A15.4 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Tuberculosis (A15-A19) (A15–A19), under category A15, Respiratory tuberculosis.

What coding notes are listed for A15.4?

Its listed inclusion terms are Tuberculosis of hilar lymph nodes; Tuberculosis of mediastinal lymph nodes; Tuberculosis of tracheobronchial lymph nodes. No code-first instruction is listed. Excludes1 notes: tuberculosis specified as primary (A15.7). No Excludes2 note is listed.

Keep exploring

Related A15 codes

A15.0

Tuberculosis of lung

A15.5

Tuberculosis of larynx, trachea and bronchus

A15.6

Tuberculous pleurisy

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