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 58734-5: Collection date (Amn fld) [Date/time]

Name: LOINC Code 58734-5: Collection date (Amn fld) [Date/time]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:39.275Z

58734-5 is a LOINC code used to identify Collection date (Amn fld) [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 Collection date. It is commonly used with the system or sample type Amnio fld.

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 date. It is commonly used with the system or sample type Amnio 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

What it does not mean

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

Key facts

Collection date of Amniotic fluid
Collection date
AF; Amn; Amn fl; Amnio; Amniotic flu; Amniotic fluid; Coll; Collect; Collect Date; Collected; Date and time; Point in time; QNT; Quan; Quant; Quantitative; Random; SPEC; 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

Collection date (Amn fld) [Date/time]Collection date of Amniotic fluidCollect Date AmnCollection dateSPECCollection date, Amniotic fluidTmStp

Frequently asked questions

Code details

Code58734-5

SystemLOINC

Display nameCollection date (Amn fld) [Date/time]

DescriptionCollection date

Short nameCollect Date Amn

ComponentCollection date

PropertyTmStp

TimingPt

System (specimen)Amnio fld

ScaleQn

ClassSPEC

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.32

Last changed2.32

Consumer names

Collection date, Amniotic fluid

Part names

Collection dateTmStpPtAmnio fldQnTime Stamp (Date and Time)Point in time (spot)Amniotic 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.