ICD-10 Code for Varicella
The ICD-10-CM code for varicella is B01.9 — Varicella without complication. This is the code the Alphabetic Index gives for varicella with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which varicella code should you use?
The Alphabetic Index lists 7 codes under Varicella. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| congenital | P35.8 | Other congenital viral diseases |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources