UM03 — Service Type Code (X12 element 1365)
73 — Diagnostic Medical
Draft — pending verification
This reference entry has not yet been verified against its authoritative source (X12 element 1365 external code list — verify against licensed copy). Do not rely on it for production configuration until this notice is removed.
How 73 is used
Sent in UM03 with procedure codes specifying the diagnostic service under review.
Example
UM03 = 73 for an attended polysomnography (sleep study).
Where it lives in the transaction
73 is a value of UM03 — Service Type Code (X12 element 1365), carried in the UM (Health Care Services Review Information); same element is used in EQ01 of the 270/271 of the 278 Health Care Services Review (005010X217). For the payer-side view of how PA Bridge normalizes these codes across X12 and FHIR intake, see the articles section.