ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 24, 2017

See: Varicella [chickenpox]

B01.1 is NOT a complete or valid ICD 10 diagnosis code.

You should code each health care encounter to the level of certainty known for that encounter. When sufficient clinical information is not known or available to assign a more specific code, it is acceptable to report the appropriate unspecified code.

See below for more specifc codes relating to
Varicella encephalitis, myelitis and encephalomyelitis

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Inclusion Term
  • Postchickenpox encephalitis, myelitis and encephalomyelitis

More specific codes for Varicella encephalitis, myelitis and encephalomyelitis

  • B01.11 - Varicella encephalitis and encephalomyelitis
  • B01.12 - Varicella myelitis
See also ICD 10 code for
See the 2017 ICD-10-CM Coding Guidelines.

Questions related to B01.1 Varicella encephalitis, myelitis and encephalomyelitis

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.