ICD Code A01.00

ICD code A01.00 is typhoid fever, unspecified.

1. Patient presents with a sustained high fever, typically rising in a stepwise fashion.

2. Reports of abdominal pain, often localized to the right lower quadrant.

3. Presence of headache, malaise, and generalized weakness.

4. Gastrointestinal symptoms such as constipation or diarrhea.

5. Physical examination reveals relative bradycardia (Faget sign) and possible hepatosplenomegaly.

6. Rose-colored maculopapular rash (rose spots) on the trunk or abdomen.

7. Laboratory confirmation through positive blood, stool, or bone marrow cultures for Salmonella Typhi.

8. Absence of specific complications or localization of infection to other organs.

Relevant CPT codes that may be used to treat ICD code A01.00 include:

- 99201–99205 (Office or other outpatient visit, new patient)

- 99211–99215 (Office or other outpatient visit, established patient)

- 99221–99223 (Initial hospital care)

- 99231–99233 (Subsequent hospital care)

- 87015 (Culture, bacterial; concentration, any source except urine, feces or blood)

- 87040 (Culture, bacterial; blood, aerobic, with isolation and presumptive identification of isolates)

- 87186 (Susceptibility studies, antimicrobial agent; microdilution or agar dilution)

- 96365 (Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour)

- 96372 (Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular)

- 36415 (Collection of venous blood by venipuncture)

These CPT codes are commonly associated with the evaluation, management, laboratory testing, and treatment procedures for ICD code A01.00.

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