LOINCActiveObservation

LOINC Code 99051-5: WBC Manual cnt (BAL) [#/Vol]

99051-5 is a LOINC code used to identify WBC Manual cnt (BAL) [#/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 Leukocytes. It is commonly used with the system or sample type BAL.

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 Leukocytes. It is commonly used with the system or sample type BAL.

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

  • Leukocytes [#/volume] in Bronchoalveolar lavage by Manual count
  • Leukocytes
  • #; ABS; absolute; absolutes; Bronchial alveolar lavage; Bronchoalveolar lavage; Cnt; Count; Count/volume; CT; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Manl; Number concentration; Number Concentration (count/vol); Point in time; QNT; Quan; Quant; Quantitative; Random; 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

WBC Manual cnt (BAL) [#/Vol]Leukocytes [#/volume] in Bronchoalveolar lavage by Manual countWBC # BAL ManualLeukocytesHEM/BCWhite blood cell (WBC) count, Bronchoalveolar lavage specimenNCnc

Frequently asked questions

Code details

Code99051-5
SystemLOINC
Display nameWBC Manual cnt (BAL) [#/Vol]
DescriptionLeukocytes
Short nameWBC # BAL Manual
ComponentLeukocytes
PropertyNCnc
TimingPt
System (specimen)BAL
ScaleQn
MethodManual count
ClassHEM/BC
Example units10*9/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Consumer names

White blood cell (WBC) count, Bronchoalveolar lavage specimen

Part names

LeukocytesNCncPtBALQnManual countNumber ConcentrationPoint in time (spot)Bronchoalveolar lavage

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 99051-5 | HealthAssure