LOINCActiveObservation

LOINC Code 30459-2: Platelet mean diameter (Bld) [Entitic length]

30459-2 is a LOINC code used to identify Platelet mean diameter (Bld) [Entitic length] 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 Platelet mean diameter. 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 Platelet mean diameter. 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: ACTIVE
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Platelet mean diameter [Entitic length] in Blood
  • Platelet mean diameter
  • Average; Avg; Blood; DIA; Diam; Entitic length; HEMATOLOGY/CELL COUNTS; Pl; Platelets; Platelt; Plt; PMD; Point in time; QNT; Quan; Quant; Quantitative; Random; Thrombocyte; Thrombocytes; WB; Whole blood

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

Platelet mean diameter (Bld) [Entitic length]Platelet mean diameter [Entitic length] in BloodPMD Bld QnPlatelet mean diameterHEM/BCPlatelet mean diameter, BloodEntLen

Frequently asked questions

Code details

Code30459-2
SystemLOINC
Display namePlatelet mean diameter (Bld) [Entitic length]
DescriptionPlatelet mean diameter
Short namePMD Bld Qn
ComponentPlatelet mean diameter
PropertyEntLen
TimingPt
System (specimen)Bld
ScaleQn
ClassHEM/BC
Example unitsum
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.42

Consumer names

Platelet mean diameter, Blood

Part names

Platelet mean diameterEntLenPtBldQnEntitic lengthPoint 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 30459-2 | HealthAssure