A79.8
Non-Billable

Other specified rickettsioses

Non-Billable / Non-Specific Code

What is Other specified rickettsioses?

ICD-10-CM A79.8 is the diagnosis code for Other specified rickettsioses. This code falls under the section "Rickettsioses" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for A79.8

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where A79.8 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeA79.8 — Other specified rickettsioses
Sub-Codes (3)
Sub-Codes 3 entries
A79.81Rickettsiosis due to Ehrlichia sennetsuBillableA79.82Anaplasmosis [A. phagocytophilum]BillableA79.89Other specified rickettsiosesBillable
Related Codes

Frequently Asked Questions

Is A79.8 a billable ICD-10-CM code?

No, A79.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does A79.8 mean?

A79.8 is the ICD-10-CM diagnosis code for "Other specified rickettsioses". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A79.8?

The parent code of A79.8 is A79 ("Other rickettsioses"). A79.8 provides a more specific classification within this category.

What section is A79.8 in?

A79.8 is located in Section A75-A79 — "Rickettsioses" within Chapter 1 of the ICD-10-CM Tabular List.

What are the sub-codes of A79.8?

A79.8 has 3 sub-code(s) that provide more specific detail: A79.81, A79.82, A79.89.

When should I use A79.8?

Use A79.8 when the patients documented diagnosis matches "Other specified rickettsioses" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other specified rickettsioses?

The ICD-10-CM code for Other specified rickettsioses is A79.8.

Can A79.8 be used for primary diagnosis?

No, A79.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is A79.8 in?

A79.8 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A79.8 valid for 2026?

Yes, A79.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA79.1Rickettsialpox due to Rickettsia akariNext →A79.81Rickettsiosis due to Ehrlichia sennetsu
Code Details
A79.8
Other specified rickettsioses
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A75-A79 — Rickettsioses
2026 ICD-10-CM