LOINCActiveObservation

LOINC Code 31995-4: Basophils/Leukocytes Manual cnt (Pleur fld)

31995-4 is a LOINC code used to identify Basophils/Leukocytes Manual cnt (Pleur fld) 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 Basophils/Leukocytes. It is commonly used with the system or sample type Plr fld.

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 Basophils/Leukocytes. It is commonly used with the system or sample type Plr fld.

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

  • Basophils/Leukocytes in Pleural fluid by Manual count
  • Basophils/Leukocytes
  • Baso; Basophil; Basos; Bph; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Manl; Number fraction; Percent; Pleural; Pleural fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; thoracentesis 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

Basophils/Leukocytes Manual cnt (Pleur fld)Basophils/Leukocytes in Pleural fluid by Manual countBasophils NFr Plr ManualBasophils/LeukocytesHEM/BCBasophils/White Blood Cells, Pleural fluidNFr

Frequently asked questions

Code details

Code31995-4
SystemLOINC
Display nameBasophils/Leukocytes Manual cnt (Pleur fld)
DescriptionBasophils/Leukocytes
Short nameBasophils NFr Plr Manual
ComponentBasophils/Leukocytes
PropertyNFr
TimingPt
System (specimen)Plr fld
ScaleQn
MethodManual count
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.79

Consumer names

Basophils/White Blood Cells, Pleural fluid

Part names

Basophils/leukocytesNFrPtPlr fldQnManual countNumber FractionPoint in time (spot)Pleural 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 31995-4 | HealthAssure