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.

LOINCActiveOrder

LOINC Code 34531-4: Blood type and Crossmatch panel (Bld)

Name: LOINC Code 34531-4: Blood type and Crossmatch panel (Bld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:22.384Z

34531-4 is a LOINC code used to identify Blood type and Crossmatch panel (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 Blood type & Crossmatch panel. 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 Blood type & Crossmatch panel. 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: ACTIVE
Order vs observation: Order
Panel type: Panel

What it does not mean

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

Key facts

Blood type and Crossmatch panel - Blood
Blood type & Crossmatch panel
Blood; BLOOD BANK; Hematology; Heme; Pan; PANEL.BLOODBANK; Panl; Pnl; Point in time; Random; Type + XM Pnl; 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

Blood type and Crossmatch panel (Bld)Blood type and Crossmatch panel - BloodType + XM Pnl BldBlood type & Crossmatch panelPANEL.BLDBKBlood type and Crossmatch panel, Blood-

Frequently asked questions

Code details

Code34531-4

SystemLOINC

Display nameBlood type and Crossmatch panel (Bld)

DescriptionBlood type & Crossmatch panel

Short nameType + XM Pnl Bld

ComponentBlood type & Crossmatch panel

Property-

TimingPt

System (specimen)Bld

Scale-

ClassPANEL.BLDBK

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.10

Last changed2.73

Consumer names

Blood type and Crossmatch panel, Blood

Part names

Blood type & Crossmatch panel-PtBldBlood type and Crossmatch panelPoint in time (spot)Blood

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.