LOINCActiveObservation

LOINC Code 49833-7: Specimen drawn spec 2 [Date/time]

49833-7 is a LOINC code used to identify Specimen drawn spec 2 [Date/time] 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 Specimen drawn^2nd specimen. It is commonly used with the system or sample type Ser/Plas.

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 Specimen drawn^2nd specimen. It is commonly used with the system or sample type Ser/Plas.

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

  • Specimen drawn [Date and time] of Serum or Plasma--2nd specimen
  • Specimen drawn^2nd specimen
  • Convalescent; Date and time; Pl; Plasma; Plsm; Point in time; Post immunization; QNT; Quan; Quant; Quantitative; Random; Second; SerP; SerPl; SerPlas; Serum; Serum or plasma; sp2; Spec; SR; Time stamp; Timestamp

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

Specimen drawn spec 2 [Date/time]Specimen drawn [Date and time] of Serum or Plasma--2nd specimenSpecimen drawn sp2 SerPlSpecimen drawn^2nd specimenSPECSpecimen drawn specimen 2, BloodTmStp

Frequently asked questions

Code details

Code49833-7
SystemLOINC
Display nameSpecimen drawn spec 2 [Date/time]
DescriptionSpecimen drawn^2nd specimen
Short nameSpecimen drawn sp2 SerPl
ComponentSpecimen drawn^2nd specimen
PropertyTmStp
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassSPEC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.73

Consumer names

Specimen drawn specimen 2, Blood

Part names

Specimen drawn^2nd specimenTmStpPtSer/PlasQnTime Stamp (Date and Time)Point in time (spot)Serum or Plasma

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 49833-7 | HealthAssure