LOINCActiveObservation

LOINC Code 58719-6: Lymphocyte proliferation stimulated by 5 ug concanavalin A actual/normal (Bld) [Relative ratio]

58719-6 is a LOINC code used to identify Lymphocyte proliferation stimulated by 5 ug concanavalin A actual/normal (Bld) [Relative ratio] 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 Lymphocyte proliferation. 5 ug concanavalin A stimulation actual/Normal. It is commonly used with the system or sample type Bld.

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 Lymphocyte proliferation. 5 ug concanavalin A stimulation actual/Normal. 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

What it does not mean

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

Key facts

  • Lymphocyte proliferation stimulated by 5 ug concanavalin A actual/normal in Blood
  • Lymphocyte proliferation. 5 ug concanavalin A stimulation actual/Normal
  • Act/Nor; Blood; conconavalin; Control; LPA; LPT; LPT 5 ug CA; LST; Lymphocyte antigen proliferation; Lymphocyte antigen stimulation; mcg; PHA; Point in time; QNT; Quan; Quant; Quantitative; Random; Relative ratio; Serology; Stim; WB; 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

Lymphocyte proliferation stimulated by 5 ug concanavalin A actual/normal (Bld) [Relative ratio]Lymphocyte proliferation stimulated by 5 ug concanavalin A actual/normal in BloodLPT 5 ug CA Act/Nor BldLymphocyte proliferation. 5 ug concanavalin A stimulation actual/NormalSEROLymphocyte Proliferation Stimulated by 5 ug Concanavalin A actual/normal, BloodRelRto

Frequently asked questions

Code details

Code58719-6
SystemLOINC
Display nameLymphocyte proliferation stimulated by 5 ug concanavalin A actual/normal (Bld) [Relative ratio]
DescriptionLymphocyte proliferation. 5 ug concanavalin A stimulation actual/Normal
Short nameLPT 5 ug CA Act/Nor Bld
ComponentLymphocyte proliferation. 5 ug concanavalin A stimulation actual/Normal
PropertyRelRto
TimingPt
System (specimen)Bld
ScaleQn
ClassSERO
Example units% normal
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.32
Last changed2.70

Consumer names

Lymphocyte Proliferation Stimulated by 5 ug Concanavalin A actual/normal, Blood

Part names

Lymphocyte proliferation. 5 ug concanavalin A stimulation actual/NormalRelRtoPtBldQnRelative RatioPoint 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.