ICD Code K35-

ICD code K35- is acute appendicitis, which refers to a sudden inflammation of the appendix.

1. Sudden onset of right lower quadrant abdominal pain

2. Localized tenderness at McBurney’s point

3. Rebound tenderness on physical examination

4. Nausea and/or vomiting accompanying abdominal pain

5. Low-grade fever

6. Elevated white blood cell count (leukocytosis)

7. Imaging findings consistent with inflammation of the appendix (e.g., ultrasound or CT scan)

8. Absence of alternative diagnoses explaining the symptoms

Relevant CPT codes that may be used to treat ICD code K35- include:

44950, 44960, 44970, 44979

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