Is A01 a billable code?
No. A01 is a header code that groups 11 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
A01: Typhoid and paratyphoid fevers
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
A01 groups related diagnoses under typhoid and paratyphoid fevers. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under A01
- A01.00Typhoid fever, unspecified
- A01.01Typhoid meningitis
- A01.02Typhoid fever with heart involvement
- A01.03Typhoid pneumonia
- A01.04Typhoid arthritis
- A01.05Typhoid osteomyelitis
- A01.09Typhoid fever with other complications
- A01.1Paratyphoid fever A
- A01.2Paratyphoid fever B
- A01.3Paratyphoid fever C
- A01.4Paratyphoid fever, unspecified
A01 questions
What does A01 mean?
A01 is the ICD-10-CM code for Typhoid and paratyphoid fevers. 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.