Is A83.5 a billable code?
Yes. A83.5 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
A83.5: California encephalitis
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
A83.5 is a billable ICD-10-CM diagnosis code for california encephalitis. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with A83.5 already added.Good Faith EstimateStart a cost estimate with A83.5 already added.CMS-1500 Claim FormFill a claim form with A83.5 in box 21.
Other codes in A83 Mosquito-borne viral encephalitis
A83.5 questions
What does A83.5 mean?
A83.5 is the ICD-10-CM code for California encephalitis. It is in chapter 1, Certain infectious and parasitic diseases (A00-B99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.