A18.83 – Tuberculosis of digestive tract organs, not elsewhere classified

ICD-10-CM 2027 diagnosis code · Tuberculosis

Billable code

ICD-10-CM code A18.83

Code: A18.83 (claims format: A1883)
Description: Tuberculosis of digestive tract organs, not elsewhere classified
Short description: Tuberculosis of digestive tract organs, NEC
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A15-A19 Tuberculosis
Parent codes: A18 › A18.8

Notes for A18.83

Excludes1 (not coded here):

tuberculosis of intestine (A18.32)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block A15-A19

Includes:

infections due to Mycobacterium tuberculosis and Mycobacterium bovis

Excludes1 (not coded here):

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)

Use additional code:

code, if applicable, for associated cachexia (E88.A)

Index terms for A18.83

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A18.8

A18.81 – Tuberculosis of thyroid glandBillable
A18.82 – Tuberculosis of other endocrine glandsBillable
A18.84 – Tuberculosis of heartBillable
A18.85 – Tuberculosis of spleenBillable
A18.89 – Tuberculosis of other sitesBillable

Frequently asked questions

What is ICD-10 code A18.83?

A18.83 is the ICD-10-CM code for tuberculosis of digestive tract organs, not elsewhere classified, in the block A15-A19 (Tuberculosis).

Is A18.83 a billable code?

Yes. A18.83 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A18.83 belong to?

It belongs to category A18 – Tuberculosis of other organs.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.