LOINCActive

LOINC Code 46608-6: Primary referring physician ID Provider

46608-6 is a LOINC code used to identify Primary referring physician ID Provider in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Primary referring physician ID. It is commonly used with the system or sample type Provider.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Primary referring physician ID. It is commonly used with the system or sample type Provider.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Primary referring physician ID Provider
  • Primary referring physician ID
  • The 6-digit UPIN number.
  • Ident; Identifier; Intradermal; Nominal; Outcome and assessment information set; Point in time; Random; Survey; Survey.OASIS

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Primary referring physician ID ProviderPrimary referring physician IDSURVEY.OASISIDPtProviderNom

Frequently asked questions

Code details

Code46608-6
SystemLOINC
Display namePrimary referring physician ID Provider
DescriptionPrimary referring physician ID
ComponentPrimary referring physician ID
PropertyID
TimingPt
System (specimen)Provider
ScaleNom
ClassSURVEY.OASIS
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.73

Part names

Primary referring physician IDIDPtProviderNomIdentifierPoint in time (spot)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 46608-6 | HealthAssure