LOINCActiveObservation

LOINC Code 45266-4: Chronic leukemia markers Nar (Specimen) [Interp]

45266-4 is a LOINC code used to identify Chronic leukemia markers Nar (Specimen) [Interp] 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 Chronic leukemia markers. It is commonly used with the system or sample type XXX.

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 Chronic leukemia markers. It is commonly used with the system or sample type XXX.

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

  • Chronic leukemia markers [Interpretation] in Specimen Narrative
  • Chronic leukemia markers
  • CELL MARKERS; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Misc; Miscellaneous; Narrative; Other; Point in time; Random; Report; Spec; To be specified in another part of the message; Unspecified

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

Chronic leukemia markers Nar (Specimen) [Interp]Chronic leukemia markers [Interpretation] in Specimen NarrativeChronic Leukemia Markers Spec-ImpChronic leukemia markersCELLMARKInterpretation of Chronic leukemia markers test result, SpecimenImp

Frequently asked questions

Code details

Code45266-4
SystemLOINC
Display nameChronic leukemia markers Nar (Specimen) [Interp]
DescriptionChronic leukemia markers
Short nameChronic Leukemia Markers Spec-Imp
ComponentChronic leukemia markers
PropertyImp
TimingPt
System (specimen)XXX
ScaleNar
ClassCELLMARK
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.73

Consumer names

Interpretation of Chronic leukemia markers test result, Specimen

Part names

Chronic leukemia markersImpPtXXXNarImpression/interpretation of studyPoint in time (spot)

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 45266-4 | HealthAssure