What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 50220-3: Collection interval from baseline (Specimen) [Time]

Name: LOINC Code 50220-3: Collection interval from baseline (Specimen) [Time]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.495Z

50220-3 is a LOINC code used to identify Collection interval from baseline (Specimen) [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 Collection interval from baseline. It is commonly used with the system or sample type ^Specimen.

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 Collection interval from baseline. It is commonly used with the system or sample type ^Specimen.

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

Collection interval from baseline of Unspecified specimen
Collection interval from baseline
Coll; Collect; Collect interval from BL; Collected; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec

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

Collection interval from baseline (Specimen) [Time]Collection interval from baseline of Unspecified specimenCollect interval from BL Time SpecCollection interval from baselineSPECCollection interval from baseline, SpecimenTime

Frequently asked questions

Code details

Code50220-3

SystemLOINC

Display nameCollection interval from baseline (Specimen) [Time]

DescriptionCollection interval from baseline

Short nameCollect interval from BL Time Spec

ComponentCollection interval from baseline

PropertyTime

TimingPt

System (specimen)^Specimen

ScaleQn

ClassSPEC

Example unitsmin

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.73

Consumer names

Collection interval from baseline, Specimen

Part names

Collection interval from baselineTimePt^SpecimenQnTime (e.g. seconds)Point in time (spot)

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.