A18
Tuberculosis of other organs
Choose the additional character
A18 needs more characters to be billable. Pick the specific code below.
- A18.0Tuberculosis of bones and jointsMore levels
- A18.1Tuberculosis of genitourinary systemMore levels
- A18.2Tuberculous peripheral lymphadenopathyBillable
- A18.3Tuberculosis of intestines, peritoneum and mesenteric glandsMore levels
- A18.4Tuberculosis of skin and subcutaneous tissueBillable
- A18.5Tuberculosis of eyeMore levels
- A18.6Tuberculosis of (inner) (middle) earBillable
- A18.7Tuberculosis of adrenal glandsBillable
- A18.8Tuberculosis of other specified organsMore levels
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
infections due to Mycobacterium tuberculosis and Mycobacterium bovis
congenital tuberculosis (P37.0) nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-) pneumoconiosis associated with tuberculosis, any type in A15 (J65) positive PPD (R76.11) positive tuberculin skin test without active tuberculosis (R76.11) sequelae of tuberculosis (B90.-) silicotuberculosis (J65)
code, if applicable, for associated cachexia (E88.A)
diseases generally recognized as communicable or transmissible
certain localized infections - see body system-related chapters
carrier or suspected carrier of infectious disease (Z22.-) infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) infectious and parasitic diseases specific to the perinatal period (P35-P39) influenza and other acute respiratory infections (J00-J22)
code to identify resistance to antimicrobial drugs (Z16.-)
Official Guidelines for A18
FY 2026 ›Subsections
- I.C.1.aHuman Immunodeficiency Virus (HIV) Infections
- I.C.1.bInfectious agents as the cause of diseases classified to other chapters
- I.C.1.cInfections resistant to antibiotics
- I.C.1.dSepsis, Severe Sepsis, and Septic Shock Infections resistant to antibiotics
- I.C.1.eMethicillin Resistant Staphylococcus aureus (MRSA) Conditions
- I.C.1.fZika virus infections
- I.C.1.gCoronavirus infections
Sections that reference A18
Sections whose FY 2026 text names A18, its A18 category, or a range containing it — the chapter guidance above is the authoritative source.