A18.8
Non-Billable

Tuberculosis of other specified organs

Non-Billable / Non-Specific Code

What is Tuberculosis of other specified organs?

ICD-10-CM A18.8 is the diagnosis code for Tuberculosis of other specified organs. 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 A18.8

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 A18.8 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeA18.8 — Tuberculosis of other specified organs
Sub-Codes 6 entries
A18.81Tuberculosis of thyroid glandBillableA18.82Tuberculosis of other endocrine glandsBillableA18.83Tuberculosis of digestive tract organs, not elsewhere classifiedBillableA18.84Tuberculosis of heartBillableA18.85Tuberculosis of spleenBillableA18.89Tuberculosis of other sitesBillable
Related Codes

Frequently Asked Questions

Is A18.8 a billable ICD-10-CM code?

No, A18.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does A18.8 mean?

A18.8 is the ICD-10-CM diagnosis code for "Tuberculosis of other specified organs". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A18.8?

The parent code of A18.8 is A18 ("Tuberculosis of other organs"). A18.8 provides a more specific classification within this category.

What section is A18.8 in?

A18.8 is located in Section A15-A19 — "Tuberculosis" within Chapter 1 of the ICD-10-CM Tabular List.

What are the sub-codes of A18.8?

A18.8 has 6 sub-code(s) that provide more specific detail: A18.81, A18.82, A18.83, A18.84, A18.85 and more.

When should I use A18.8?

Use A18.8 when the patients documented diagnosis matches "Tuberculosis of other specified organs" 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 Tuberculosis of other specified organs?

The ICD-10-CM code for Tuberculosis of other specified organs is A18.8.

Can A18.8 be used for primary diagnosis?

No, A18.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is A18.8 in?

A18.8 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A18.8 valid for 2026?

Yes, A18.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA18.7Tuberculosis of adrenal glandsNext →A18.81Tuberculosis of thyroid gland
Code Details
A18.8
Tuberculosis of other specified organs
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A15-A19 — Tuberculosis
2026 ICD-10-CM