OHIP Billing Codes

Specialty: Gastroenterology

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Code Description Fee

All Codes

Z520 Change of gastrostomy tube $10.65
G352 Gastric lavage - Biliary tract provocative test with cholecystokinin $9.60
G355 Gastric lavage - diagnostic $9.60
G357 Gastric lavage - Gastric secretion studies (Augmented Histamine or Histalog, or Pentagastrin) - procedure and supervision $19.55
G356 Gastric lavage - therapeutic - with or without ice water lavage $33.80
G332 Hydrogen breath test - Capsule endoscopy $122.25
G167 Hydrogen breath test - technical component $7.00
G254 Management of post liver, lung or pancreas transplant immunosuppression - in lieu of non-emergency hospital visits in-patient visits - per visit $34.70
G516 Measurement of thermic effect of feeding $36.90
G354 Oesophageal Studies - Anal-rectal manometry $38.50

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G353 Oesophageal Studies - oesophageal acid perfusion test and/or provocative drug testing $28.75
G350 Oesophageal Studies - oesophageal motility study(ies) with manometry $76.05
G251 Oesophageal Studies - oesophageal pH study for reflux, with installation of acid $27.05
G351 Oesophageal Studies - oesophageal pH study for reflux, with installation of acid, with 24 hour monitoring $31.85
G349 Oesophageal tamponade (Blakemore bag) - insertion $45.30

Complete Study - 1 and 2 dimensions

G571 Professional component $96.20
G570 Technical component $118.95

COVID-19 Immunization

G593 COVID-19 vaccine $13.00

Gastric Lavage

G322 Nasogastric intubation under general anaesthesia $9.60

Hydrogen breath test

G166 Professional component $10.45

The information presented on this page is general information only and is not intended as legal, financial or other professional advice. A professional advisor should be consulted regarding your specific situation. While information presented is believed to be factual and current, its accuracy is not guaranteed and it should not be regarded as a complete analysis of the subjects discussed. No endorsement of any third parties or their advice, opinions, information, products or services is expressly given or implied by RBCx or its affiliates.

OHIP Billing Codes

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