A18.1
Non-Billable

Tuberculosis of genitourinary system

Non-Billable / Non-Specific Code

What is Tuberculosis of genitourinary system?

ICD-10-CM A18.1 is the diagnosis code for Tuberculosis of genitourinary system. 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 A18.1

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 A18.1 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 9 entries
A18.10Tuberculosis of genitourinary system, unspecifiedBillableA18.11Tuberculosis of kidney and ureterBillableA18.12Tuberculosis of bladderBillableA18.13Tuberculosis of other urinary organsBillableA18.14Tuberculosis of prostateBillableA18.15Tuberculosis of other male genital organsBillableA18.16Tuberculosis of cervixBillableA18.17Tuberculous female pelvic inflammatory diseaseBillableA18.18Tuberculosis of other female genital organsBillable
Related Codes

Frequently Asked Questions

Is A18.1 a billable ICD-10-CM code?

No, A18.1 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does A18.1 mean?

A18.1 is the ICD-10-CM diagnosis code for "Tuberculosis of genitourinary system". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A18.1?

The parent code of A18.1 is A18 ("Tuberculosis of other organs"). A18.1 provides a more specific classification within this category.

What section is A18.1 in?

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

What are the sub-codes of A18.1?

A18.1 has 9 sub-code(s) that provide more specific detail: A18.10, A18.11, A18.12, A18.13, A18.14 and more.

When should I use A18.1?

Use A18.1 when the patients documented diagnosis matches "Tuberculosis of genitourinary system" 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 genitourinary system?

The ICD-10-CM code for Tuberculosis of genitourinary system is A18.1.

Can A18.1 be used for primary diagnosis?

No, A18.1 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is A18.1 in?

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

Is A18.1 valid for 2026?

Yes, A18.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA18.09Other musculoskeletal tuberculosisNext →A18.10Tuberculosis of genitourinary system, unspecified
Code Details
A18.1
Tuberculosis of genitourinary system
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A15-A19 — Tuberculosis
2026 ICD-10-CM