AAPC Chapter 18 Practical Applications

Case Summaries

• CASE 1: Patient with fever not responding to antibiotics; involved testing for Methicillin Resistant Staphylococcus aureus (MRSA).

  • Codes: CPT® 87641, ICD-10-CM A49.02

• CASE 2: Consultation for carcinoma of the base of the tongue; multiple biopsies show no carcinoma.

  • Codes: CPT® 88323, ICD-10-CM C01

• CASE 3: Merkel cell carcinoma history; lymph node excision reveals high-grade neuroendocrine carcinoma.

  • Codes: CPT® 88321, ICD-10-CM C7A.1

• CASE 4: Abnormal Pap smear, further testing via FISH reveals no risk for severe cervical dysplasia.

  • Codes: CPT® 88367, 88373, ICD-10-CM R87.619

• CASE 5: Routine physical labs with results in normal ranges including metabolic panel and CBC.

  • Codes: CPT® 80048, 85027, ICD-10-CM Z00.00

• CASE 6: Peritoneal fluid analysis for a 26-year-old with ESRD shows no malignant cells.

  • Codes: CPT® 88104, ICD-10-CM E10.22, N18.6, Z99.2

• CASE 7: Surgical pathology report after amputation; shows ulceration and viable tissue margins.

  • Codes: CPT® 88307, 88311, ICD-10-CM L97.511

• CASE 8: Kidney and pancreas transplant patient with acute coagulative necrosis and renal arterial thrombosis.

  • Codes: CPT® 88307, 88300, ICD-10-CM T86.19, N28.0

• CASE 9: Heart transplant biopsy; no significant cellular rejection but positive for humoral/vascular rejection.

  • Codes: CPT® 88307 (x2), 88346, 88350 (x7), ICD-10-CM T86.21

• CASE 10: Multiple fungal cultures from urine, sputum, and blood; only Candida albicans isolated from sputum.

  • Codes: CPT® 87102, 87102-59, 87103, 87103-59, ICD-10-CM J18.9, R60.1, R31.9