2024 ICD-10-CM Diagnosis Code A77.0

Spotted fever due to Rickettsia rickettsii

A77.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2024 edition of ICD-10-CM A77.0 became effective on October 1, 2023.
This is the American ICD-10-CM version of A77.0 – other international versions of ICD-10 A77.0 may differ.

Applicable To

The following code(s) above A77.0 contain annotation back-references

that may be applicable to A77.0:

Approximate Synonyms

Clinical Information

Acute, infectious, sometimes fatal disease caused by rickettsia rickettsii usually transmitted by ixodid ticks; occurs only in north and south america; manifestations include chills, fever, rash, headache, myalgia, and prostration.
An acute febrile illness caused by rickettsia rickettsii. It is transmitted to humans by bites of infected ticks and occurs only in north and south america. Characteristics include a sudden onset with headache and chills and fever lasting about two to three weeks. A cutaneous rash commonly appears on the extremities and trunk about the fourth day of illness.

ICD-10-CM A77.0 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

Convert A77.0 to ICD-9-CMCode History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change
2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to A77.0: