ICD Code K31.89

ICD code K31.89 is used to identify other diseases of the stomach and duodenum that are not classified elsewhere, such as unspecified gastric or duodenal disorders.

1. Presence of gastric or duodenal symptoms not attributable to more specific, defined conditions

2. Chronic or recurrent upper abdominal pain, discomfort, or dyspepsia

3. Nausea or vomiting without a clear etiology after appropriate evaluation

4. Endoscopic or imaging findings of stomach or duodenal abnormalities not classified elsewhere

5. Histopathological evidence of gastric or duodenal disease not meeting criteria for other specific diagnoses

6. Exclusion of peptic ulcer disease, gastritis, duodenitis, and malignancy

7. Documentation of other stomach or duodenal disorders that do not fit established ICD codes

Relevant CPT codes that may be used to treat ICD code K31.89 include:

- 43235: Esophagogastroduodenoscopy (EGD), diagnostic, with or without collection of specimen(s) by brushing or washing

- 43239: EGD with biopsy, single or multiple

- 43249: EGD with balloon dilation

- 43255: EGD with control of bleeding

- 43270: EGD with endoscopic ultrasound examination

- 44360: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, diagnostic

- 49560: Repair initial incisional or ventral hernia; reducible (if related to duodenal or gastric wall defect)

- 49561: Repair initial incisional or ventral hernia; incarcerated or strangulated

The selection of CPT codes depends on the specific procedure performed for the management of K31.89.

Schedule a demo to see how MD Clarity’s RevFind software can automatically read your contracts and detect underpayments for CPT codes associated with ICD code K31.89. Ensure your practice is paid accurately—discover how RevFind can help you identify and recover missed revenue.