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LOINC Code 108768-3: Free beta HCG [Measurement]

108768-3 is a LOINC code used to identify Free beta HCG [Measurement] 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 Choriogonadotropin.beta subunit.free. It is commonly used with the system or sample type Ser/Plas.

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 Choriogonadotropin.beta subunit.free. It is commonly used with the system or sample type Ser/Plas.

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: TRIAL
  • Order vs observation: Order

What it does not mean

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

Key facts

Choriogonadotropin.beta subunit free [Measurement] in Serum or Plasma
Choriogonadotropin.beta subunit.free
This term is intended to collate similar measurements for the LOINC SNOMED CT Collaboration in an ontological view. Additionally, it can be used to communicate a laboratory order, either alone or in combination with specimen or other information in the order. It may NOT be used to report back the measured patient value. [https//lo.inc/ce2mb6]
B; B HCG; Beta HCG; Beta human chorionic gonadotropin; B-HCG; B-HCG Free; CG; Choriogonadotropin beta chain; Choriogonadotropins total; Chorionic gonadotropin; FR; HCG; Human chorionic gonadotropin; Lab orders; Msmt; Non-protein bound; Pl; Plasma; Plsm; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tumor marker

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

Free beta HCG [Measurement]Choriogonadotropin.beta subunit free [Measurement] in Serum or PlasmaB-HCG Free Msmt SerPlChoriogonadotropin.beta subunit.freeLABORDERS.ONTOLOGYFree Beta HCG, Blood{Measurement}

Frequently asked questions

Code details

Code108768-3
SystemLOINC
Display nameFree beta HCG [Measurement]
DescriptionChoriogonadotropin.beta subunit.free
Short nameB-HCG Free Msmt SerPl
ComponentChoriogonadotropin.beta subunit.free
Property{Measurement}
Timing-
System (specimen)Ser/Plas
Scale-
ClassLABORDERS.ONTOLOGY
StatusTRIAL
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.81
Last changed2.81

Consumer names

Free Beta HCG, Blood

Part names

Choriogonadotropin.beta subunit.free{Measurement}-Ser/PlasChoriogonadotropin.beta subunit freeMeasurementSerum or Plasma

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 108768-3 | HealthAssure