ICD-10-CM · Chapter 1 · A00–B99
A18.3
Tuberculosis of intestines, peritoneum and mesenteric glands
Certain infectious and parasitic diseases
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- A18.3
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 1 — Certain infectious and parasitic diseases
- Category
- A18 — Tuberculosis of other organs
- Specificity
- 4 characters
How coders use this code
ICD-10-CM A18.3 is a category (header) for tuberculosis of intestines, peritoneum and mesenteric glands. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in A18
- A18Tuberculosis of other organs
- A18.0Tuberculosis of bones and joints
- A18.01Tuberculosis of spine
- A18.02Tuberculous arthritis of other joints
- A18.03Tuberculosis of other bones
- A18.09Other musculoskeletal tuberculosis
- A18.1Tuberculosis of genitourinary system
- 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
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