E16.4
E16.4: Increased secretion of gastrin
Billable / specific codeICD-10-CM
E16.4 is a billable, specific ICD-10-CM code for increased secretion of gastrin. It is valid for submission on a claim.
Check E16.4 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Hypergastrinemia
- Hyperplasia of pancreatic endocrine cells with gastrin excess
- Zollinger-Ellison syndrome
Other codes that can never be billed with E16.4
Their own Excludes1 notes name this code, so the conflict is not listed above.
- K29Gastritis and duodenitis
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
E16.4 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
- A57361Billing and Coding: Monitored Anesthesia Care
- A57753Billing and Coding: Wireless Capsule Endoscopy
Alphabetic index entries that lead here
- Ellison-Zollinger syndrome
- Hypergastrinemia
- Zollinger-Ellison syndrome
- Abnormal, abnormality, abnormalities›gastrin secretion
- Hypersecretion›gastrin
- Abnormal, abnormality, abnormalities›secretion›gastrin
- Increase, increased›secretion›gastrin
- Hyperplasia, hyperplastic›pancreatic islet cells›alpha›with excess›gastrin
Code history
Unchanged in every release from FY2024 to FY2027.