ICD questions on Neoplasm for CPC exam

Correct Answer: A) Lung tumor code first, followed by history of melanoma code

Rationale: When a new malignancy is identified, it should be coded as the principal diagnosis, while the history of melanoma should be coded as a secondary diagnosis.

Correct Answer: A) Chemotherapy code first, followed by neutropenia code

Rationale: For admissions where chemotherapy is the primary reason and complications such as neutropenia develop, the chemotherapy code should be listed first, followed by the code for neutropenia (e.g., D70.9).

Correct Answer: A) C44.410, C44.02

Rationale: Basal cell carcinoma of the left upper arm is coded as C44.410, and the right cheek is C44.02.

Correct Answer: A) D63.0, C53.9

Rationale: Anemia due to the malignancy (D63.0) should be listed first when the management is for anemia, with the cervical cancer (C53.9) as a secondary diagnosis.

Correct Answer: A) C44.311

Rationale: Basal cell carcinoma of the right side of the nose is specifically coded as C44.311

Correct Answer: C) D05.90

Rationale: Carcinoma in situ of the breast (D05.90) is the appropriate code for in situ carcinoma.

Correct Answer: A) D70.1, T45.1X5A, C73

Rationale: Agranulocytosis (D70.1) and chemotherapy adverse effect (T45.1X5A) are primary, with thyroid cancer (C73) as the secondary diagnosis.

Correct Answer: B) C31.1

Rationale: Cancer located at the nasal cavity is coded as C31.1.

Correct Answer: A) C23

Rationale: Gallbladder cancer is coded as C23.

Correct Answer: A) C22.8, B19.20

Rationale: Malignant primary neoplasm of the liver (C22.8) with chronic hepatitis B (B19.20) should be coded together.

Correct Answer: A) C50.919 first, followed by G89.3

Rationale: The primary diagnosis should be the malignant neoplasm (C50.919), and pain related to cancer (G89.3) should be coded as a secondary diagnosis.

Correct Answer: B) C34.9 first, followed by D63.0

Rationale: The lung cancer (C34.9) should be listed as the primary diagnosis, with anemia (D63.0) as a secondary diagnosis.

Correct Answer: A) E86.0 first, followed by C25.9

Rationale: Dehydration (E86.0) should be listed first if it is the primary issue being treated, with the pancreatic malignancy (C25.9) as a secondary diagnosis.

Correct Answer: B) Z51.0 first, followed by R11.2

Rationale: The primary code should be for the radiation therapy encounter (Z51.0), with the complication of nausea (R11.2) as a secondary diagnosis.

Correct Answer: B) Z51.11 first, followed by C85.90

Rationale: For admissions primarily for chemotherapy, the encounter code (Z51.11) should be listed first, with the malignant lymphoma code (C85.90) as a secondary diagnosis.