A19
Non-Billable

Miliary tuberculosis

Non-Billable / Non-Specific Code

What is Miliary tuberculosis?

ICD-10-CM A19 is the diagnosis code for Miliary tuberculosis. This code falls under the section "Tuberculosis" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for A19

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where A19 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeA19 — Miliary tuberculosis
Sub-Codes 5 entries
A19.0Acute miliary tuberculosis of a single specified siteBillableA19.1Acute miliary tuberculosis of multiple sitesBillableA19.2Acute miliary tuberculosis, unspecifiedBillableA19.8Other miliary tuberculosisBillableA19.9Miliary tuberculosis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is A19 a billable ICD-10-CM code?

No, A19 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does A19 mean?

A19 is the ICD-10-CM diagnosis code for "Miliary tuberculosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is A19 in?

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

What are the sub-codes of A19?

A19 has 5 sub-code(s) that provide more specific detail: A19.0, A19.1, A19.2, A19.8, A19.9.

When should I use A19?

Use A19 when the patients documented diagnosis matches "Miliary tuberculosis" 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 Miliary tuberculosis?

The ICD-10-CM code for Miliary tuberculosis is A19.

Can A19 be used for primary diagnosis?

No, A19 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is A19 in?

A19 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A19 valid for 2026?

Yes, A19 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA18.89Tuberculosis of other sitesNext →A19.0Acute miliary tuberculosis of a single specified site
Code Details
A19
Miliary tuberculosis
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A15-A19 — Tuberculosis
2026 ICD-10-CM