LOINCActiveObservation

LOINC Code 736-9: Lymphocytes/Leukocytes Auto (Bld)

736-9 is a LOINC code used to identify Lymphocytes/Leukocytes Auto (Bld) 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 Lymphocytes/Leukocytes. It is commonly used with the system or sample type Bld.

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 Lymphocytes/Leukocytes. It is commonly used with the system or sample type Bld.

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: Automated count

What it does not mean

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

Key facts

  • Lymphocytes/Leukocytes in Blood by Automated count
  • Lymphocytes/Leukocytes
  • Auto; Automated detection; Blood; Elec; Elect; Electr; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Lymp; Lymph; Lympho; Lymphocyte; Lymphs; Lymphs%; Number fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; WB; WBC; WBCs; White blood cell; White blood cells; Whole blood

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

Lymphocytes/Leukocytes Auto (Bld)Lymphocytes/Leukocytes in Blood by Automated countLymphocytes NFr Bld AutoLymphocytes/LeukocytesHEM/BCLymphocytes/White Blood Cells, BloodNFr

Frequently asked questions

Code details

Code736-9
SystemLOINC
Display nameLymphocytes/Leukocytes Auto (Bld)
DescriptionLymphocytes/Leukocytes
Short nameLymphocytes NFr Bld Auto
ComponentLymphocytes/Leukocytes
PropertyNFr
TimingPt
System (specimen)Bld
ScaleQn
MethodAutomated count
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Lymphocytes/White Blood Cells, Blood

Part names

Lymphocytes/leukocytesNFrPtBldQnAutomated countNumber FractionPoint in time (spot)Blood

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 736-9 | HealthAssure