LOINCActiveObservation

LOINC Code 51091-7: Cytoplasmic CD179a blasts/Blasts (Specimen)

51091-7 is a LOINC code used to identify Cytoplasmic CD179a 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.cytoplasmic CD179a/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.cytoplasmic CD179a/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

  • Cytoplasmic CD179a blasts/Blasts in Specimen
  • Blasts.cytoplasmic CD179a/Blasts
  • Blast; CELL MARKERS; CyCD179a; cyCD179a Blasts; Cytopl; Cytoplas; Misc; Miscellaneous; Number fraction; Other; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Cytoplasmic CD179a blasts/Blasts (Specimen)Cytoplasmic CD179a blasts/Blasts in SpecimencyCD179a Blasts/Blasts NFr SpecBlasts.cytoplasmic CD179a/BlastsCELLMARKCytoplasmic CD179a Blasts/Blasts, SpecimenNFr

Frequently asked questions

Code details

Code51091-7
SystemLOINC
Display nameCytoplasmic CD179a blasts/Blasts (Specimen)
DescriptionBlasts.cytoplasmic CD179a/Blasts
Short namecyCD179a Blasts/Blasts NFr Spec
ComponentBlasts.cytoplasmic CD179a/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

Cytoplasmic CD179a Blasts/Blasts, Specimen

Part names

Blasts.cytoplasmic CD179a/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 51091-7 | HealthAssure