MEDICAL CODING: Please help me code this case study. Thank you.

Clinical Impression: GI bleed, r/o sprue, H. pylori

Gross Description:

Part A-Received labeled small bowel in formalin are fragments of tissue collectively measuring about 1 cm in greatest dimension processed entirely. One block.

Part B-Received labeled gastric in formalin are fragments of tissue collecting measuring about 0.8 cm in greatest dimension processed entirely. One block.

Microscopic Description:

Part A-Duodenal mucosa shows an intact villous architecture without increased intraepithelial lymphocytes. No Brunner gland hyperplasia, fovelolar metaplasia, active inflammation or Giardia are identified.

Part B-Gastric mucosa shows mildly reactive appearing foveolar epithelium and underlying gastric glands with lamina propria showing fibromuscular tissue with scattered chronic inflammatory cells. No intestinal metaplasia is identified. Warthin-Starry stain reveals no Helicobacter pylori forms.

Pathologic Diagnosis:

Part A-Small bowel, duodenum biopsy No diagnostic abnormality

Part B-Stomach, biopsy Mild chronic gastritis