LOINCActiveObservation

LOINC Code 99307-1: HCG.beta subunit heterophile Ab interference Ql (S)

99307-1 is a LOINC code used to identify HCG.beta subunit heterophile Ab interference Ql (S) 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 heterophile Ab interference. It is commonly used with the system or sample type Ser.

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 heterophile Ab interference. It is commonly used with the system or sample type Ser.

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
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Choriogonadotropin.beta subunit heterophile Ab interference [Presence] in Serum
  • Choriogonadotropin.beta subunit heterophile Ab interference
  • B; B HCG; Beta HCG; Beta human chorionic gonadotropin; B-HCG; B-HCG heterph Ab intrf; CG; Chemistry; Choriogonadotropin beta chain; Choriogonadotropins total; Chorionic gonadotropin; Epstein-Barr virus; HCG; Hetero; Heteroph; Hetr; Human chorionic gonadotropin; Mono screen; Mono slide; Mono spot; Mono test; Mononucleosis screen; Mononucleosis test; Monospot; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; 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

HCG.beta subunit heterophile Ab interference Ql (S)Choriogonadotropin.beta subunit heterophile Ab interference [Presence] in SerumB-HCG heterph Ab intrf Ser QlChoriogonadotropin.beta subunit heterophile Ab interferenceCHEMHCG.beta subunit heterophile Ab interference, BloodPrThr

Frequently asked questions

Code details

Code99307-1
SystemLOINC
Display nameHCG.beta subunit heterophile Ab interference Ql (S)
DescriptionChoriogonadotropin.beta subunit heterophile Ab interference
Short nameB-HCG heterph Ab intrf Ser Ql
ComponentChoriogonadotropin.beta subunit heterophile Ab interference
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Consumer names

HCG.beta subunit heterophile Ab interference, Blood

Part names

Choriogonadotropin.beta subunit heterophile Ab interferencePrThrPtSerOrdPresence or ThresholdPoint in time (spot)Serum

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 99307-1 | HealthAssure