These are the most commonly used Gastroenterology diagnostic & therapeutic procedures OHIP billing codes. To find other billing codes search the OHIP fee schedule here .
| Code | Description | Amount |
|---|---|---|
| Z520 | Change of gastrostomy tube | $10.65 |
| G516 | Measurement of thermic effect of feeding | $36.90 |
| G350 | Oesophageal Studies - oesophageal motility study(ies) with manometry | $76.05 |
| G353 | Oesophageal Studies - oesophageal acid perfusion test and/or provocative drug testing | $28.75 |
| 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 |
| G354 | Oesophageal Studies - Anal-rectal manometry | $38.50 |
| G254 | Management of post liver, lung or pancreas transplant immunosuppression - in lieu of non-emergency hospital visits in-patient visits … per visit | $34.70 |
| G349 | Oesophageal tamponade (Blakemore bag) - insertion | $45.30 |
| G355 | Gastric lavage - diagnostic | $9.60 |
| G356 | Gastric lavage - therapeutic - with or without ice water lavage | $33.80 |
| G357 | Gastric lavage - Gastric secretion studies (Augmented Histamine or Histalog, or Pentagastrin) - procedure and supervision | $19.55 |
| G352 | Gastric lavage - Biliary tract provocative test with cholecystokinin | $9.60 |
| G322 | Gastric lavage - Nasogastric intubation under general anaesthesia | $9.60 |
| G167 | Hydrogen breath test - technical component | $6.85 |
| G166 | Hydrogen breath test - professional component | $10.45 |
| G332 | Hydrogen breath test - Capsule endoscopy | $122.25 |