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.

LOINC

LOINC Code 18294-9: Hemoglobin.fetal pre amnio Kleihauer-Betke method Ql (Bld)

Name: LOINC Code 18294-9: Hemoglobin.fetal pre amnio Kleihauer-Betke method Ql (Bld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:27.587Z

18294-9 is a LOINC code used to identify Hemoglobin.fetal pre amnio Kleihauer-Betke method Ql (Bld) 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 Hemoglobin.fetal/Hemoglobin.total^pre amniocentesis. It is commonly used with the system or sample type Bld.

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 Hemoglobin.fetal/Hemoglobin.total^pre amniocentesis. It is commonly used with the system or sample type Bld.

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: DEPRECATED
Method: Kleihauer-Betke

What it does not mean

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

Key facts

Deprecated Hemoglobin.fetal/Hemoglobin.total^pre amniocentesis
Hemoglobin.fetal/Hemoglobin.total^pre amniocentesis
Acid elution; Before; Blood; Fetal maternal hemorrhage screen; Haemoglobin; Hb; HEMATOLOGY/CELL COUNTS; Hgb; KB; Kleih Betke; Kleihauer stain; Kleihauer test; Kleihauer-Betke stain; Kleihauer-Betke test; Kleihauer-Braun-Betke; Ordinal; Percent; Point in time; QL; Qual; Qualitative; Random; Screen; Substance fraction; Tot; Totl; WB; Whole blood

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

Hemoglobin.fetal pre amnio Kleihauer-Betke method Ql (Bld)Deprecated Hemoglobin.fetal/Hemoglobin.total^pre amniocentesisDeprecated Hgb F Fr Bld Kleih BetkeHemoglobin.fetal/Hemoglobin.total^pre amniocentesisHEM/BCHemoglobin.fetal/Total Hgb - Before Amnio, BloodSFr

Frequently asked questions

Code details

Code18294-9

SystemLOINC

Display nameHemoglobin.fetal pre amnio Kleihauer-Betke method Ql (Bld)

DescriptionHemoglobin.fetal/Hemoglobin.total^pre amniocentesis

Short nameDeprecated Hgb F Fr Bld Kleih Betke

ComponentHemoglobin.fetal/Hemoglobin.total^pre amniocentesis

PropertySFr

TimingPt

System (specimen)Bld

ScaleOrd

MethodKleihauer-Betke

ClassHEM/BC

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.46

Consumer names

Hemoglobin.fetal/Total Hgb - Before Amnio, Blood

Part names

Hemoglobin.fetal/Hemoglobin.total^pre amniocentesisSFrPtBldOrdKleihauer-BetkeSubstance FractionPoint in time (spot)BloodKleihauer-Betke method

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.