LOINCActiveObservation

LOINC Code 64429-4: KIR gene allele 3DS1 Molgen Ql (Bld/Tiss)

64429-4 is a LOINC code used to identify KIR gene allele 3DS1 Molgen Ql (Bld/Tiss) 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 KIR gene allele 3DS1. It is commonly used with the system or sample type Bld/Tiss.

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 KIR gene allele 3DS1. It is commonly used with the system or sample type Bld/Tiss.

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
  • Method: Molgen

What it does not mean

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

Key facts

  • KIR gene allele 3DS1 [Presence] in Blood or Tissue by Molecular genetics method
  • KIR gene allele 3DS1
  • Blood; CD158E1; Killer cell Immunoglobulin-like Recptor; KIR; KIR 3DS1; KIR3DL1/S1; Molecular genetics; Molecular pathology; MOLPATH; NKAT3; NKAT-3; NKB1; NKB1B; Ordinal; PCR; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Tissue; Tissue, unspecified; WB; Whole blood; Whole blood or Tissue

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

KIR gene allele 3DS1 Molgen Ql (Bld/Tiss)KIR gene allele 3DS1 [Presence] in Blood or Tissue by Molecular genetics methodKIR 3DS1 Bld/T QlKIR gene allele 3DS1MOLPATHKIR gene allele 3DS1, Blood or tissue specimenPrThr

Frequently asked questions

Code details

Code64429-4
SystemLOINC
Display nameKIR gene allele 3DS1 Molgen Ql (Bld/Tiss)
DescriptionKIR gene allele 3DS1
Short nameKIR 3DS1 Bld/T Ql
ComponentKIR gene allele 3DS1
PropertyPrThr
TimingPt
System (specimen)Bld/Tiss
ScaleOrd
MethodMolgen
ClassMOLPATH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.73

Consumer names

KIR gene allele 3DS1, Blood or tissue specimen

Part names

KIR gene allele 3DS1PrThrPtBld/TissOrdMolgenPresence or ThresholdPoint in time (spot)Blood or TissueMolecular genetics

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.