LOINCActive

LOINC Code 19111-4: Mother's hospital number

19111-4 is a LOINC code used to identify Mother's hospital number 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 Hospital number. It is commonly used with the system or sample type ^Mother.

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 Hospital number. It is commonly used with the system or sample type ^Mother.

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

What it does not mean

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

Key facts

  • Mother's hospital number
  • Hospital number
  • ADMIN; Hosp; Hospital #; Ident; Identifier; Intradermal; Mat; Maternal; Matnl; No; Nominal; Num; Point in time; Random

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

Mother's hospital numberMother's hospital #Hospital numberADMIN.IDIDPt^Mother

Frequently asked questions

Code details

Code19111-4
SystemLOINC
Display nameMother's hospital number
DescriptionHospital number
Short nameMother's hospital #
ComponentHospital number
PropertyID
TimingPt
System (specimen)^Mother
ScaleNom
ClassADMIN.ID
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Part names

Hospital numberIDPt^MotherNomIdentifierPoint 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 19111-4 | HealthAssure