B01

Varicella [chickenpox]

Non-billable header

B01 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • diseases generally recognized as communicable or transmissible

Excludes2

Not included here — may be reported together when both conditions exist.

  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • 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

Add a code to identify the following, if applicable.

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

More specific codes B01

  • B01.0Varicella meningitisBillable
  • B01.1Varicella encephalitis, myelitis and encephalomyelitisHeader
  • B01.2Varicella pneumoniaBillable
  • B01.8Varicella with other complicationsHeader
  • B01.9Varicella without complicationBillable

Related codes

  • B00Herpesviral [herpes simplex] infectionsHeader
  • B02Zoster [herpes zoster]Header
  • B03SmallpoxBillable
  • B04MonkeypoxBillable
  • B05MeaslesHeader
  • B06Rubella [German measles]Header
  • B07Viral wartsHeader
  • B08Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classifiedHeader
  • B09Unspecified viral infection characterized by skin and mucous membrane lesionsBillable

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