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Taxonomy Codes
A77 SPOTTED FEVER [TICK-BORNE RICKETTSIOSES]
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ICD-10 List
A00–B99
A75-A79
A77
A77
Code Information
Diagnosis Code:
A77
Short Description:
Spotted fever [tick-borne rickettsioses]
Long Description:
Spotted fever [tick-borne rickettsioses]
Code Version:
2025 ICD-10-CM
The code A77 is NOT VALID for claim submission
Code Classification
Certain infectious and parasitic diseases (A00–B99)
Rickettsioses (A75-A79)
Spotted fever [tick-borne rickettsioses] (A77)
Similar Codes
ICD-10 Code
ICD-10 Description
A77.0
Spotted fever due to Rickettsia rickettsii
A77.1
Spotted fever due to Rickettsia conorii
A77.2
Spotted fever due to Rickettsia siberica
A77.3
Spotted fever due to Rickettsia australis
A77.4
Ehrlichiosis
A77.40
Ehrlichiosis, unspecified
A77.41
Ehrlichiosis chaffeensis [E. chaffeensis]
A77.49
Other ehrlichiosis
A77.8
Other spotted fevers
A77.9
Spotted fever, unspecified
This page was last updated on: 10/1/2025
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