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LOINC Code 81642-1: CYP3A4 and CYP3A5 gene targeted mutation analysis panel Molgen (Bld/Tiss)

81642-1 is a LOINC code used to identify CYP3A4 and CYP3A5 gene targeted mutation analysis panel Molgen (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 CYP3A4 & CYP3A5 gene targeted mutation analysis panel. 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 CYP3A4 & CYP3A5 gene targeted mutation analysis panel. 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: Order
  • Panel type: Panel
  • Method: Molgen

What it does not mean

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

Key facts

  • CYP3A4 and CYP3A5 gene targeted mutation analysis panel - Blood or Tissue by Molecular genetics method
  • CYP3A4 & CYP3A5 gene targeted mutation analysis panel
  • This panel contains terms that genotype CYP3A4 and CYP3A5, determine estimated metabolic activity, and provide interpretations.
  • Blood; CP35; CYP3A4 + CYP3A5 gene; CYP3A4 + CYP3A5 Pnl; CYPIIIA5; cytochrome P450, family 3, subfamily A, polypeptide 5; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.PHARMG; Mut; Mutations; P450PCN3; Pan; Panel.molpath; Panel.molpath.pharmg; Panl; PCN3; PCR; Pnl; Point in time; Random; 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

CYP3A4 and CYP3A5 gene targeted mutation analysis panel Molgen (Bld/Tiss)CYP3A4 and CYP3A5 gene targeted mutation analysis panel - Blood or Tissue by Molecular genetics methodCYP3A4 + CYP3A5 Pnl Bld/TCYP3A4 & CYP3A5 gene targeted mutation analysis panelPANEL.MOLPATH.PHARMGCYP3A4 and CYP3A5 gene Targeted Mutation Analysis Panel, Blood or tissue specimen-

Frequently asked questions

Code details

Code81642-1
SystemLOINC
Display nameCYP3A4 and CYP3A5 gene targeted mutation analysis panel Molgen (Bld/Tiss)
DescriptionCYP3A4 & CYP3A5 gene targeted mutation analysis panel
Short nameCYP3A4 + CYP3A5 Pnl Bld/T
ComponentCYP3A4 & CYP3A5 gene targeted mutation analysis panel
Property-
TimingPt
System (specimen)Bld/Tiss
Scale-
MethodMolgen
ClassPANEL.MOLPATH.PHARMG
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.67

Consumer names

CYP3A4 and CYP3A5 gene Targeted Mutation Analysis Panel, Blood or tissue specimen

Part names

CYP3A4 & CYP3A5 gene targeted mutation analysis panel-PtBld/TissMolgenCYP3A4 and CYP3A5 gene targeted mutation analysis panelPoint 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.

LOINC Code 81642-1 | HealthAssure