Is A18 a billable code?
No. A18 is a header code that groups 32 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
A18: Tuberculosis of other organs
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
A18 groups related diagnoses under tuberculosis of other organs. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under A18
- A18.01Tuberculosis of spine
- A18.02Tuberculous arthritis of other joints
- A18.03Tuberculosis of other bones
- A18.09Other musculoskeletal tuberculosis
- A18.10Tuberculosis of genitourinary system, unspecified
- A18.11Tuberculosis of kidney and ureter
- A18.12Tuberculosis of bladder
- A18.13Tuberculosis of other urinary organs
- A18.14Tuberculosis of prostate
- A18.15Tuberculosis of other male genital organs
- A18.16Tuberculosis of cervix
- A18.17Tuberculous female pelvic inflammatory disease
- A18.18Tuberculosis of other female genital organs
- A18.2Tuberculous peripheral lymphadenopathy
- A18.31Tuberculous peritonitis
- A18.32Tuberculous enteritis
- A18.39Retroperitoneal tuberculosis
- A18.4Tuberculosis of skin and subcutaneous tissue
- A18.50Tuberculosis of eye, unspecified
- A18.51Tuberculous episcleritis
- A18.52Tuberculous keratitis
- A18.53Tuberculous chorioretinitis
- A18.54Tuberculous iridocyclitis
- A18.59Other tuberculosis of eye
- A18.6Tuberculosis of (inner) (middle) ear
- A18.7Tuberculosis of adrenal glands
- A18.81Tuberculosis of thyroid gland
- A18.82Tuberculosis of other endocrine glands
- A18.83Tuberculosis of digestive tract organs, not elsewhere classified
- A18.84Tuberculosis of heart
- A18.85Tuberculosis of spleen
- A18.89Tuberculosis of other sites
A18 questions
What does A18 mean?
A18 is the ICD-10-CM code for Tuberculosis of other organs. It is in chapter 1, Certain infectious and parasitic diseases (A00-B99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.