LOINCActiveBoth

LOINC Code 13508-7: Hematocrit Centrifugation (CSF) [Volume fraction]

13508-7 is a LOINC code used to identify Hematocrit Centrifugation (CSF) [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 CSF.

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 CSF.

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: Both
  • Method: Spun

What it does not mean

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

Key facts

  • Hematocrit [Volume Fraction] of Cerebral spinal fluid by Centrifugation
  • Erythrocyte/Specimen Volume
  • Centrifugation; Centrifuged; Cerebral spinal fluid; Cerebrospinal Fl; Discocyte; Erc; Erythrocytes; HEMATOLOGY/CELL COUNTS; Neuro; Neurology; Percent; Point in time; Post centrifugation; QNT; Quan; Quant; Quantitative; Random; RBC; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; Spec; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Vol; Volfr; Volume fraction

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 Centrifugation (CSF) [Volume fraction]Hematocrit [Volume Fraction] of Cerebral spinal fluid by CentrifugationHct VFr CSF SpunErythrocyte/Specimen VolumeHEM/BCHematocrit, Spinal fluidVFr

Frequently asked questions

Code details

Code13508-7
SystemLOINC
Display nameHematocrit Centrifugation (CSF) [Volume fraction]
DescriptionErythrocyte/Specimen Volume
Short nameHct VFr CSF Spun
ComponentErythrocyte/Specimen Volume
PropertyVFr
TimingPt
System (specimen)CSF
ScaleQn
MethodSpun
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.79

Consumer names

Hematocrit, Spinal fluid

Part names

Erythrocyte/Specimen VolumeVFrPtCSFQnSpunVolume FractionPoint in time (spot)Cerebral spinal fluid

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 13508-7 | HealthAssure