B20

Billable

Human immunodeficiency virus [HIV] disease

Human immunodeficiency virus [HIV] disease

Status

Billable / Specific

Block

B20-B20

Coding Notes

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible
  • acquired immune deficiency syndrome [AIDS]
  • AIDS-related complex [ARC]
  • HIV infection, symptomatic

Excludes 1

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

  • certain localized infections - see body system-related chapters
  • asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
  • exposure to HIV virus (Z20.6)
  • inconclusive serologic evidence of HIV (R75)

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)

Code First

The underlying condition must be sequenced before this code

  • Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)

Use Additional Code

Additional codes that should follow this code

  • code to identify resistance to antimicrobial drugs (Z16.-)
  • code(s) to identify all manifestations of HIV infection

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is ICD-10 code B20?

ICD-10-CM code B20 represents "Human immunodeficiency virus [HIV] disease". It is a billable/specific code that can be used on a claim.

Is B20 a billable code?

Yes, B20 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is B20 in?

B20 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with B20?

B20 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; asymptomatic human immunodeficiency virus [HIV] infection status (Z21); exposure to HIV virus (Z20.6); and 1 more.

Are additional codes required with B20?

Yes, when using B20 you should also code: code to identify resistance to antimicrobial drugs (Z16.-); code(s) to identify all manifestations of HIV infection.

What SNOMED CT codes does B20 map to?

B20 maps to 304 SNOMED CT concepts: 421529006, 62479008, 420721002, 10746341000119109, 420395004, and 299 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for B20?

B20 is linked to 4 UMLS Concept Unique Identifiers: C0001175, C0001857, C0019693, C0864665. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.