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Billing code

J340C — Maximum Inspiratory & Expiratory Pressures

Respiratory muscle strength test

Bill J340 for measuring maximum inspiratory and expiratory pressures.

Watch for: Outside a hospital only the professional component (suffix C) is billable; not payable for routine pre-operative screening before non-thoracic surgery.

ProviderSpecialistAssistantAnaesthetistNon-anaesthetist
$0.00$0.00$3.25$3.81$3.81
Code
J340C
Description
Maximum Inspiratory & Expiratory Pressures
FHO+ basket
Not in the FHO+ base rate basket (Schedule 2 or 2B).
Effective date
Apr 1, 2026
Termination date
No end date

Explanation

Updated October 26, 2026

Maximum inspiratory and expiratory pressures (respiratory muscle strength), with technical and professional components.

What it covers

J340 measures maximum inspiratory and expiratory pressures (H5).

The professional component covers supervision, quality control, any monitoring and the interpretation (H1).

Billing rules

  • Technical component (H, suffix B) is paid only at a hospital or a hospital's approved off-site premises; outside hospital only the professional component (P, suffix C) is billable (H1, H3).
  • Each test with its own code is specific and must be ordered individually (H3).
  • The interpretation must be done personally by the physician who claims the professional component; supervision and monitoring may be delegated to another physician (H1).
  • Not payable for routine pre-operative screening before non-thoracic surgery, unless needed for respiratory diagnosis, anaesthetic decisions or optimizing respiratory disease before surgery (H3).

Related codes: J304, J310, J307, J308

Source: Schedule of Benefits (July 1, 2026), Pulmonary Function Studies, Pulmonary Function Studies, page H5. Preamble H1–H3.

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