A18.83
Billable codeTuberculosis of digestive tract organs, not elsewhere classified
The ICD-10 code for tuberculosis of digestive tract organs, not elsewhere classified is A18.83.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- tuberculosis of intestine (A18.32)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- A18.81Tuberculosis of thyroid gland
- A18.82Tuberculosis of other endocrine glands
- A18.84Tuberculosis of heart
- A18.85Tuberculosis of spleen
- A18.89Tuberculosis of other sites
- A18.83Tuberculosis of digestive tract organs, not elsewhere classified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 01480Approximate match
Associated MS-DRGs
A18.83 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 314Other Circulatory System Diagnoses with MCC
- DRG 315Other Circulatory System Diagnoses with CC
- DRG 316Other Circulatory System Diagnoses without CC/MCC
- DRG 371Major Gastrointestinal Disorders and Peritoneal Infections with MCC
- DRG 372Major Gastrointestinal Disorders and Peritoneal Infections with CC
- DRG 373Major Gastrointestinal Disorders and Peritoneal Infections without CC/MCC