LOINCActive

LOINC Code 57722-1: Birth plurality of Pregnancy

57722-1 is a LOINC code used to identify Birth plurality of Pregnancy 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 Birth plurality. It is commonly used with the system or sample type Pregnancy.

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 Birth plurality. It is commonly used with the system or sample type Pregnancy.

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

  • Birth plurality of Pregnancy
  • Birth plurality
  • The number of fetuses delivered live or dead at any time in the pregnancy regardless of gestational age or if the fetuses were delivered at different dates in the pregnancy.
  • Birth pleurality; Cnt; Count; Gestation; Gestations; Gravida; H+P; H+P.PX; Number; Ordinal; P prime; Point in time; Pregnancies; QL; Qual; Qualitative; Random; Screen

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

Birth plurality of PregnancyBirth pluralityH&P.PXNumPtPregnancyOrd

Frequently asked questions

Code details

Code57722-1
SystemLOINC
Display nameBirth plurality of Pregnancy
DescriptionBirth plurality
Short nameBirth plurality
ComponentBirth plurality
PropertyNum
TimingPt
System (specimen)Pregnancy
ScaleOrd
ClassH&P.PX
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.73

Part names

Birth pluralityNumPtPregnancyOrdNumber (count)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.

LOINC Code 57722-1 | HealthAssure