LOINCObservation

LOINC Code 51633-6: Platelets reticulated/Platelets (Bld)

51633-6 is a LOINC code used to identify Platelets reticulated/Platelets (Bld) 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 Platelets.reticulated/Platelets. It is commonly used with the system or sample type Bld.

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 Platelets.reticulated/Platelets. It is commonly used with the system or sample type Bld.

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: DISCOURAGED
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Platelets reticulated/Platelets in Blood
  • Platelets.reticulated/Platelets
  • Blood; HEMATOLOGY/CELL COUNTS; Immature platelets; Number fraction; Percent; Platelet; Platelt; Plt; Point in time; QNT; Quan; Quant; Quantitative; Random; RP; Thrb; Thrombocyte; Thrombocytes; WB; Whole blood; Young platelets

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

Platelets reticulated/Platelets (Bld)Platelets reticulated/Platelets in BloodPlatelets.reticulated NFr BldPlatelets.reticulated/PlateletsHEM/BCPlatelets reticulated/Platelets, BloodNFr

Frequently asked questions

Code details

Code51633-6
SystemLOINC
Display namePlatelets reticulated/Platelets (Bld)
DescriptionPlatelets.reticulated/Platelets
Short namePlatelets.reticulated NFr Bld
ComponentPlatelets.reticulated/Platelets
PropertyNFr
TimingPt
System (specimen)Bld
ScaleQn
ClassHEM/BC
Example units%
StatusDISCOURAGED
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.79

Consumer names

Platelets reticulated/Platelets, Blood

Part names

Platelets.reticulated/PlateletsNFrPtBldQnNumber FractionPoint in time (spot)Blood

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 51633-6 | HealthAssure