LOINCActiveObservation

LOINC Code 58906-9: Nucleated cells Manual cnt (CSF) [#/Vol]

58906-9 is a LOINC code used to identify Nucleated cells Manual cnt (CSF) [#/Vol] 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 Nucleated cells. 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 Nucleated cells. 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
  • Method: Manual count

What it does not mean

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

Key facts

  • Nucleated cells [#/volume] in Cerebral spinal fluid by Manual count
  • Nucleated cells
  • #; ABS; absolute; absolutes; Cell; Cellularity; Cerebral spinal fluid; Cerebrospinal Fl; Cnt; Count; Count/volume; CT; HEMATOLOGY/CELL COUNTS; Manl; Nuc; Nuc cell; Number concentration; Number Concentration (count/vol); Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid

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

Nucleated cells Manual cnt (CSF) [#/Vol]Nucleated cells [#/volume] in Cerebral spinal fluid by Manual countNuc cell # CSF ManualNucleated cellsHEM/BCNucleated cells, Spinal fluidNCnc

Frequently asked questions

Code details

Code58906-9
SystemLOINC
Display nameNucleated cells Manual cnt (CSF) [#/Vol]
DescriptionNucleated cells
Short nameNuc cell # CSF Manual
ComponentNucleated cells
PropertyNCnc
TimingPt
System (specimen)CSF
ScaleQn
MethodManual count
ClassHEM/BC
Example units/uL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.73

Consumer names

Nucleated cells, Spinal fluid

Part names

Nucleated cellsNCncPtCSFQnManual countNumber ConcentrationPoint 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 58906-9 | HealthAssure