LOINCActiveObservation

LOINC Code 51015-6: CD1 blasts/Blasts (Specimen)

51015-6 is a LOINC code used to identify CD1 blasts/Blasts (Specimen) 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 Blasts.CD1/Blasts. 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 Blasts.CD1/Blasts. 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

  • CD1 blasts/Blasts in Specimen
  • Blasts.CD1/Blasts
  • Blast; CD1 Blasts; CELL MARKERS; Leu6; Leu-6; Misc; Miscellaneous; Number fraction; Other; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; T6; 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

CD1 blasts/Blasts (Specimen)CD1 blasts/Blasts in SpecimenCD1 Blasts/Blasts NFr SpecBlasts.CD1/BlastsCELLMARKCD1 blasts/Blasts, SpecimenNFr

Frequently asked questions

Code details

Code51015-6
SystemLOINC
Display nameCD1 blasts/Blasts (Specimen)
DescriptionBlasts.CD1/Blasts
Short nameCD1 Blasts/Blasts NFr Spec
ComponentBlasts.CD1/Blasts
PropertyNFr
TimingPt
System (specimen)XXX
ScaleQn
ClassCELLMARK
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.79

Consumer names

CD1 blasts/Blasts, Specimen

Part names

Blasts.CD1/BlastsNFrPtXXXQnNumber FractionPoint 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 51015-6 | HealthAssure