History: The patient is a 79-year-old male with dyspepsia and weight loss. A recent supraclavicular lymph node biopsy revealed signet-ring cell adenocarcinoma.
Specimen site: Stomach
Gross description: Received in formalin is a 10.0- × 6.5- × 3.2-cm segment of stomach, with a palpable firm 4.0- × 2.2-cm mass on the designated lesser curvature. The external surface of the specimen is unremarkable and inked black. The cut surfaces demonstrate the mass and adjacent firm areas of nodularity. The remainder of the gastric mucosa is unremarkable. Six lymph node candidates and representative sections of the stomach are submitted.
Microscopic description: Microscopic examination was performed. See synoptic report. The uninvolved stomach shows chronic inactive gastritis with intestinal metaplasia.
Diagnosis: Stomach (proximal): Invasive adenocarcinoma
Comment: Signet-ring cell carcinomas are not typically graded but are high-grade and would correspond to grade 3.
Select the appropriate ICD-10-CM and CPT code(s):

Question

Quizplus · Accepted Answer

The ICD-10-CM code C16.5 is for malignant neoplasm of the lesser curvature of the stomach, which matches the location of the mass. CPT codes 88309 and 88307 are appropriate for the pathology services provided.

History: the Patient Is a 79-Year-Old Male with Dyspepsia and Weight