LOINCActiveObservation

LOINC Code 53903-1: Collection method Nom (Spec)

53903-1 is a LOINC code used to identify Collection method Nom (Spec) 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 method. 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 method. 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 method - Specimen
  • Collection method
  • Coll; Collect; Collected; Meth; Method of; Nominal; Point in time; Random; Spec; Typ

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 method Nom (Spec)Collection method - SpecimenCollection method SpecCollection methodSPECCollection method, SpecimenType

Frequently asked questions

Code details

Code53903-1
SystemLOINC
Display nameCollection method Nom (Spec)
DescriptionCollection method
Short nameCollection method Spec
ComponentCollection method
PropertyType
TimingPt
System (specimen)Specimen
ScaleNom
ClassSPEC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.26
Last changed2.73

Consumer names

Collection method, Specimen

Part names

Collection methodTypePtSpecimenNomPoint 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.

LOINC Code 53903-1 | HealthAssure