AutoICD API

A18

Non-billable

Tuberculosis of other organs

Tuberculosis of other organs

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

A15-A19

Child Codes

9

Coding Notes

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible
  • infections due to Mycobacterium tuberculosis and Mycobacterium bovis

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • certain localized infections - see body system-related chapters
  • 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)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)

Use Additional Code

Additional codes that should follow this code

  • code to identify resistance to antimicrobial drugs (Z16.-)

Child Codes (9)

A18.0

Tuberculosis of bones and joints

A18.1

Tuberculosis of genitourinary system

A18.2

Tuberculous peripheral lymphadenopathy

BillableA18.3

Tuberculosis of intestines, peritoneum and mesenteric glands

A18.4

Tuberculosis of skin and subcutaneous tissue

BillableA18.5

Tuberculosis of eye

A18.6

Tuberculosis of (inner) (middle) ear

BillableA18.7

Tuberculosis of adrenal glands

BillableA18.8

Tuberculosis of other specified organs

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code A18?

ICD-10-CM code A18 represents "Tuberculosis of other organs". It is a non-billable header code — use a more specific child code for billing purposes.

Is A18 a billable code?

No, A18 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under A18.

What chapter is A18 in?

A18 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A18?

A18 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; congenital tuberculosis (P37.0); nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-); and 5 more.

What are the subcategories under A18?

A18 has 9 child codes, including: A18.0 (Tuberculosis of bones and joints), A18.1 (Tuberculosis of genitourinary system), A18.2 (Tuberculous peripheral lymphadenopathy), A18.3 (Tuberculosis of intestines, peritoneum and mesenteric glands), and 5 more.

Are additional codes required with A18?

Yes, when using A18 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What are the UMLS CUIs for A18?

A18 is linked to 1 UMLS Concept Unique Identifier: C0041300. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.