G603 – Neonatal low volume intensive care
OHIP Diagnostic & Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
Neonatal Intensive Care is the service rendered by a physician for being in constant or periodic attendance during a one-day period, to provide all aspects of care to Intensive Care Area patients. This consists of an initial consultation or assessment and such subsequent assessments as may be indicated, including ongoing monitoring of the patient's condition and the following procedures as required: insertion of arterial, venous, C.V.P. or urinary catheters, intravenous lines, interpreting of blood gases, nasogastric intubation with or without anaesthesia, pressure infusion sets and pharmaceutical agents, endotracheal intubation, tracheal toilet, artificial ventilation and all necessary measures for respiratory support. Separately billable interventions may be claimed in addition to these fees. G603 is payable in lieu of G600 or G604 if the patient is the sole newborn. It falls under Level A care: Full life support including monitoring (either invasive or non-invasive), ventilatory support and parenteral alimentation (all modalities).
When to Use
- Use G603 when managing a sole newborn requiring full life support, including mechanical ventilation and parenteral nutrition, in a low-volume neonatal intensive care setting.
- Select G603 instead of G600 or G604 when the patient meets the Level A care criteria and is the only newborn under your care for that specific service period.
Common Pitfalls
- Billing G603 concurrently with G600 or G604 will trigger an automatic rejection as these codes are mutually exclusive for the same patient on the same day.
- Claiming G603 for infants who do not meet the full Level A criteria, such as those requiring only basic monitoring without ventilatory support or parenteral alimentation, is a frequent audit trigger.
- Failing to apply second-day benefits when an infant is transferred between care levels results in under-billing or incorrect claims processing.
Billing Tips
- Ensure your documentation explicitly supports the 'Level A' requirement, specifically noting the use of ventilatory support and parenteral alimentation, to justify the G603 fee over lower-level codes.
Effective: April 1, 2025
J. Diagnostic and Therapeutic Procedures
DIAGNOSTIC AND THERAPEUTIC PROCEDURES
ManagementFee
Diagnostic and Therapeutic Procedures, Hospital and Institutional Consultations and Assessments
Newborn
Physician-in-charge is the physician(s) daily providing the Neonatal Intensive Care.
These are team fees which apply to neonatologists /paediatricians/anaesthetists providing complete care. If infant has been transferred from one level to another in either direction, up or down, second day benefits apply.
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