A18.2
Billable

Tuberculous peripheral lymphadenopathy

Billable / Specific Code

What is Tuberculous peripheral lymphadenopathy?

ICD-10-CM A18.2 is the diagnosis code for Tuberculous peripheral lymphadenopathy. This code falls under the section "Tuberculosis" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
â„šī¸ Excludes2

Coding Guidelines for A18.2

✅ This Code Includes

  • Tuberculous adenitis

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in A18.2. If the patient has both, code each condition separately:

  • tuberculosis of bronchial and mediastinal lymph nodes (A15.4)
  • tuberculosis of mesenteric and retroperitoneal lymph nodes (A18.39)
  • tuberculous tracheobronchial adenopathy (A15.4)

ICD-10-CM Code Hierarchy

Understanding where A18.2 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeA18.2 — Tuberculous peripheral lymphadenopathy
Related Codes

Frequently Asked Questions

Is A18.2 a billable ICD-10-CM code?

Yes, A18.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does A18.2 mean?

A18.2 is the ICD-10-CM diagnosis code for "Tuberculous peripheral lymphadenopathy". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A18.2?

The parent code of A18.2 is A18 ("Tuberculosis of other organs"). A18.2 provides a more specific classification within this category.

What section is A18.2 in?

A18.2 is located in Section A15-A19 — "Tuberculosis" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use A18.2?

Use A18.2 when the patients documented diagnosis matches "Tuberculous peripheral lymphadenopathy" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Tuberculous peripheral lymphadenopathy?

The ICD-10-CM code for Tuberculous peripheral lymphadenopathy is A18.2.

Can A18.2 be used for primary diagnosis?

Yes, A18.2 can be used as a primary diagnosis code since it is billable and specific.

What chapter is A18.2 in?

A18.2 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A18.2 valid for 2026?

Yes, A18.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA18.18Tuberculosis of other female genital organsNext →A18.3Tuberculosis of intestines, peritoneum and mesenteric glands
Code Details
A18.2
Tuberculous peripheral lymphadenopathy
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A15-A19 — Tuberculosis
2026 ICD-10-CM