LOINCActive

LOINC Code 45399-3: Federal provider number Facility

45399-3 is a LOINC code used to identify Federal provider number Facility 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 Federal provider number. It is commonly used with the system or sample type Facility.

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 Federal provider number. It is commonly used with the system or sample type Facility.

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

  • Federal provider number Facility
  • Federal provider number
  • Admin; Fclty; Federal provider #; Ident; Identifier; No; Nominal; Num; Point in time; Random; Survey; SURVEY.MDS

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

Federal provider number FacilityFederal provider numberSURVEY.MDSIDPtFacilityNom

Frequently asked questions

Code details

Code45399-3
SystemLOINC
Display nameFederal provider number Facility
DescriptionFederal provider number
ComponentFederal provider number
PropertyID
TimingPt
System (specimen)Facility
ScaleNom
ClassSURVEY.MDS
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.34

Part names

Federal provider numberIDPtFacilityNomIdentifierPoint 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 45399-3 | HealthAssure