In simple words: This code refers to a type of infection spread by ticks, mites, or fleas, that isn't covered by other, more specific codes.These infections usually cause fever, headache, muscle aches, rash and sometimes a black scab. Doctors diagnose it based on symptoms, possible exposure to bites, and lab tests.

Rickettsioses encompasses a group of infectious diseases caused by organisms of the Rickettsia genus, typically transmitted through the bite of ticks, mites, and fleas. This code is used when the specific type of rickettsiosis is not represented by any other category.

Example 1: A patient presents with fever, headache, and muscle aches after a recent camping trip. A physical exam reveals a rash and an eschar.Lab tests confirm rickettsiosis, but the specific type is not identified. Code A79 is used., A patient with a known history of tick bites develops fever and a characteristic rash. Initial lab tests are inconclusive for specific rickettsial diseases. While awaiting confirmatory tests, A79 is used to document the suspected rickettsiosis., A patient presents with symptoms suggestive of rickettsiosis, but further testing is not possible due to the patient's remote location or limited resources. Based on the available clinical findings and history, A79 may be used.

Documentation should include signs and symptoms, history of tick/mite exposure, physical exam findings, and results of any lab tests (e.g., IFA, PCR).If a specific type of rickettsiosis is identified, document the basis for that diagnosis.

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