A20
Non-billablePlague
Plague
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
A20-A28
Child Codes
7
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- infection due to Yersinia pestis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (7)
Also Known As / Clinical Terms
UMLS
- Infection by Yersinia pestisC0032064
- PestC0032064
- Pestilential feverC0032064
- PlagueC0032064
- Plague (disorder)C0032064
- Plague, unspecifiedC0032064
- Unspecified plagueC0032064
- Yersinia pestis InfectionC0032064
- Yersinia pestis diseaseC0032064
- Yersinia pestis infectionC0032064
- infection due to Yersinia pestisC0032064
- pestC0032064
- pestilential feverC0032064
- plagueC0032064
- plaguesC0032064
Frequently Asked Questions
What is ICD-10 code A20?
ICD-10-CM code A20 represents "Plague". It is a non-billable header code — use a more specific child code for billing purposes.
Is A20 a billable code?
No, A20 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under A20.
What chapter is A20 in?
A20 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A20?
A20 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
What are the subcategories under A20?
A20 has 7 child codes, including: A20.0 (Bubonic plague), A20.1 (Cellulocutaneous plague), A20.2 (Pneumonic plague), A20.3 (Plague meningitis), and 3 more.
Are additional codes required with A20?
Yes, when using A20 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A20?
A20 is linked to 1 UMLS Concept Unique Identifier: C0032064. 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.