LOINCActiveObservation

LOINC Code 45180-7: 1p chromosome del Molgen Ql (Bld/Tiss)

45180-7 is a LOINC code used to identify 1p chromosome del 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 1p chromosome deletion. 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 1p chromosome deletion. 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

  • 1p chromosome deletion [Presence] in Blood or Tissue by Molecular genetics method
  • 1p chromosome deletion
  • Arbitrary; Blood; Chromosom; Chromosomes; Del; Deletions; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.DELETIONS; Ordinal; PCR; Point in time; 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

1p chromosome del Molgen Ql (Bld/Tiss)1p chromosome deletion [Presence] in Blood or Tissue by Molecular genetics method1p Chrom Del Bld/T Ql1p chromosome deletionMOLPATH.DEL1p chromosome deletion analysis, Blood or tissue specimenArb

Frequently asked questions

Code details

Code45180-7
SystemLOINC
Display name1p chromosome del Molgen Ql (Bld/Tiss)
Description1p chromosome deletion
Short name1p Chrom Del Bld/T Ql
Component1p chromosome deletion
PropertyArb
TimingPt
System (specimen)Bld/Tiss
ScaleOrd
MethodMolgen
ClassMOLPATH.DEL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.17

Consumer names

1p chromosome deletion analysis, Blood or tissue specimen

Part names

1p chromosome deletionArbPtBld/TissOrdMolgenArbitraryPoint 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.