A18.03
Billable

Tuberculosis of other bones

Billable / Specific Code

What is Tuberculosis of other bones?

ICD-10-CM A18.03 is the diagnosis code for Tuberculosis of other bones. 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

Coding Guidelines for A18.03

✅ This Code Includes

  • Tuberculous mastoiditis
  • Tuberculous osteomyelitis

ICD-10-CM Code Hierarchy

Understanding where A18.03 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is A18.03 a billable ICD-10-CM code?

Yes, A18.03 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does A18.03 mean?

A18.03 is the ICD-10-CM diagnosis code for "Tuberculosis of other bones". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A18.03?

The parent code of A18.03 is A18.0 ("Tuberculosis of bones and joints"). A18.03 provides a more specific classification within this category.

What section is A18.03 in?

A18.03 is located in Section A15-A19 — "Tuberculosis" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use A18.03?

Use A18.03 when the patients documented diagnosis matches "Tuberculosis of other bones" 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 bones?

The ICD-10-CM code for Tuberculosis of other bones is A18.03.

Can A18.03 be used for primary diagnosis?

Yes, A18.03 can be used as a primary diagnosis code since it is billable and specific.

What chapter is A18.03 in?

A18.03 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A18.03 valid for 2026?

Yes, A18.03 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA18.02Tuberculous arthritis of other jointsNext →A18.09Other musculoskeletal tuberculosis
Code Details
A18.03
Tuberculosis of other bones
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A15-A19 — Tuberculosis
2026 ICD-10-CM