LOINCActiveBoth

LOINC Code 12729-0: Interferon gamma Qn

12729-0 is a LOINC code used to identify Interferon gamma Qn 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 Interferon.gamma. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Interferon.gamma. 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: ACTIVE
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Interferon gamma [Units/volume] in Serum or Plasma
  • Interferon.gamma
  • Arbitrary concentration; G-INF; HEMATOLOGY/CELL COUNTS; IFN; IGNF; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

Interferon gamma QnInterferon gamma [Units/volume] in Serum or PlasmaIGNF SerPl-aCncInterferon.gammaHEM/BCInterferon gamma, BloodACnc

Frequently asked questions

Code details

Code12729-0
SystemLOINC
Display nameInterferon gamma Qn
DescriptionInterferon.gamma
Short nameIGNF SerPl-aCnc
ComponentInterferon.gamma
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassHEM/BC
Example unitsarb U/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

Interferon gamma, Blood

Part names

Interferon.gammaACncPtSer/PlasQnInterferon gammaArbitrary ConcentrationPoint in time (spot)Serum 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 12729-0 | HealthAssure