A77 ICD-10-CM Code: Spotted fever [tick-borne rickettsioses]
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
A77Spotted fever [tick-borne rickettsioses]
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where A77 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Rickettsioses (A75-A79)
- 3
Category A77
Spotted fever [tick-borne rickettsioses]
- 4
Code A77
Spotted fever [tick-borne rickettsioses]
More specific choices
Codes under A77
A77 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for A77.
Code first
No “code first” instruction is listed for A77.
Use additional code
No “use additional code” instruction is listed for A77.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for A77.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A77.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code A77 mean?
A77 is the FY 2027 U.S. ICD-10-CM code for “Spotted fever [tick-borne rickettsioses].”
Is A77 a billable or specific ICD-10-CM code?
No. A77 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is A77 located in ICD-10-CM?
A77 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Rickettsioses (A75-A79) (A75–A79), under category A77, Spotted fever [tick-borne rickettsioses].
What coding notes are listed for A77?
No inclusion terms are listed for A77 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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