A77

Non-billable

Spotted fever [tick-borne rickettsioses]

A77 is the ICD-10-CM code for Spotted fever [tick-borne rickettsioses]. It is a non-billable category code — use a more specific child code such as A77.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
7
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code A77?
A77 is the ICD-10-CM code for "Spotted fever [tick-borne rickettsioses]". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A77 a billable code?
No — A77 is a non-billable header code. Use a more specific child code (such as A77.0) for billing.
What are the subcodes of A77?
A77 has 7 more specific child codes, including A77.0, A77.1, A77.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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