B01

Non-billable

Varicella [chickenpox]

Varicella [chickenpox]

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

Status

Non-billable / Header

Block

B00-B09

Child Codes

5

Coding Notes

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible

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

  • 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 (5)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code B01?

ICD-10-CM code B01 represents "Varicella [chickenpox]". It is a non-billable header code — use a more specific child code for billing purposes.

Is B01 a billable code?

No, B01 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under B01.

What chapter is B01 in?

B01 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with B01?

B01 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 B01?

B01 has 5 child codes, including: B01.0 (Varicella meningitis), B01.1 (Varicella encephalitis, myelitis and encephalomyelitis), B01.2 (Varicella pneumonia), B01.8 (Varicella with other complications), and 1 more.

Are additional codes required with B01?

Yes, when using B01 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What are the UMLS CUIs for B01?

B01 is linked to 1 UMLS Concept Unique Identifier: C0008049. 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.