LOINCActiveObservation

LOINC Code 30456-8: Nonhematic cells/Leukocytes (CSF)

30456-8 is a LOINC code used to identify Nonhematic cells/Leukocytes (CSF) 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 Nonhematic cells/Leukocytes. It is commonly used with the system or sample type CSF.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Nonhematic cells/Leukocytes. 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: Observation

What it does not mean

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

Key facts

  • Nonhematic cells/Leukocytes in Cerebral spinal fluid
  • Nonhematic cells/Leukocytes
  • Cell; Cellularity; Cerebral spinal fluid; Cerebrospinal Fl; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Non-hematic cells; Number fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; WBC; WBCs; White blood cell; White blood cells

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

Nonhematic cells/Leukocytes (CSF)Nonhematic cells/Leukocytes in Cerebral spinal fluidNonhematic Cells NFr CSFNonhematic cells/LeukocytesHEM/BCNonhematic cells/White Blood Cells, Spinal fluidNFr

Frequently asked questions

Code details

Code30456-8
SystemLOINC
Display nameNonhematic cells/Leukocytes (CSF)
DescriptionNonhematic cells/Leukocytes
Short nameNonhematic Cells NFr CSF
ComponentNonhematic cells/Leukocytes
PropertyNFr
TimingPt
System (specimen)CSF
ScaleQn
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.79

Consumer names

Nonhematic cells/White Blood Cells, Spinal fluid

Part names

Nonhematic cells/LeukocytesNFrPtCSFQnNumber 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 30456-8 | HealthAssure