LOINCActiveObservation

LOINC Code 48555-7: Fetal blood Kleihauer-Betke method [Vol]

48555-7 is a LOINC code used to identify Fetal blood Kleihauer-Betke method [Vol] 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 Fetal blood. It is commonly used with the system or sample type ^Patient.

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 Fetal blood. It is commonly used with the system or sample type ^Patient.

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
  • Method: Kleihauer-Betke

What it does not mean

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

Key facts

  • Fetal blood [Volume] by Kleihauer-Betke method
  • Fetal blood
  • Calculation of total fetal blood volume lost.
  • Acid elution; Fetal maternal hemorrhage screen; Fetomaternal hemorrhage; FMH; HEMATOLOGY/CELL COUNTS; KB; Kleih Betke; Kleihauer stain; Kleihauer test; Kleihauer-Betke stain; Kleihauer-Betke test; Kleihauer-Braun-Betke; Point in time; QNT; Quan; Quant; Quantitative; Random; Volume

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

Fetal blood Kleihauer-Betke method [Vol]Fetal blood [Volume] by Kleihauer-Betke methodFetal blood Vol Patient Kleih BetkeFetal bloodHEM/BCVolPt

Frequently asked questions

Code details

Code48555-7
SystemLOINC
Display nameFetal blood Kleihauer-Betke method [Vol]
DescriptionFetal blood
Short nameFetal blood Vol Patient Kleih Betke
ComponentFetal blood
PropertyVol
TimingPt
System (specimen)^Patient
ScaleQn
MethodKleihauer-Betke
ClassHEM/BC
Example unitsmL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.73

Consumer names

Fetal blood

Part names

Fetal bloodVolPt^PatientQnKleihauer-BetkeVolumePoint in time (spot)Kleihauer-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.

LOINC Code 48555-7 | HealthAssure