LOINCActiveObservation

LOINC Code 104826-3: Hematocrit Calc (Bld) [Pure volume fraction]

104826-3 is a LOINC code used to identify Hematocrit Calc (Bld) [Pure volume fraction] 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 Erythrocyte/Specimen Volume. 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 Erythrocyte/Specimen Volume. 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
  • Method: Calculated

What it does not mean

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

Key facts

  • Hematocrit [Pure volume fraction] of Blood by calculation
  • Erythrocyte/Specimen Volume
  • The fraction of red blood cells to total volume of blood
  • Blood; Calc; Calculation; Discocyte; Erc; Erythrocytes; HEMATOLOGY/CELL COUNTS; Point in time; QNT; Quan; Quant; Quantitative; Random; RBC; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; Spec; Vol; 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

Hematocrit Calc (Bld) [Pure volume fraction]Hematocrit [Pure volume fraction] of Blood by calculationHct VFr.DF Bld CalcErythrocyte/Specimen VolumeHEM/BCHematocrit, BloodVFr.DF

Frequently asked questions

Code details

Code104826-3
SystemLOINC
Display nameHematocrit Calc (Bld) [Pure volume fraction]
DescriptionErythrocyte/Specimen Volume
Short nameHct VFr.DF Bld Calc
ComponentErythrocyte/Specimen Volume
PropertyVFr.DF
TimingPt
System (specimen)Bld
ScaleQn
MethodCalculated
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.79

Consumer names

Hematocrit, Blood

Part names

Erythrocyte/Specimen VolumeVFr.DFPtBldQnCalculatedDecimal volume 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 104826-3 | HealthAssure