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.

LOINCActiveObservation

LOINC Code 1051-2: Hemolytic disease of NBS (Bld) [Interp]

Name: LOINC Code 1051-2: Hemolytic disease of NBS (Bld) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.133Z

1051-2 is a LOINC code used to identify Hemolytic disease of NBS (Bld) [Interp] 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 Hemolytic disease of newborn screen. 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 Hemolytic disease of newborn screen. 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: Observation

What it does not mean

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

Key facts

Hemolytic disease of newborn screen [Interpretation] in Blood
Hemolytic disease of newborn screen
Blood; BLOOD BANK; Dis; Diseases; Dz; Gyn; Gynecology; HDNB Scn; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; New born; Nominal; OB; ObGyn; Obstetrics; Point in time; Random; Scn; Scr; Scrn; 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

Hemolytic disease of NBS (Bld) [Interp]Hemolytic disease of newborn screen [Interpretation] in BloodHDNB Scn Bld-ImpHemolytic disease of newborn screenBLDBKHemolytic Disease of NBS, BloodImp

Frequently asked questions

Code details

Code1051-2

SystemLOINC

Display nameHemolytic disease of NBS (Bld) [Interp]

DescriptionHemolytic disease of newborn screen

Short nameHDNB Scn Bld-Imp

ComponentHemolytic disease of newborn screen

PropertyImp

TimingPt

System (specimen)Bld

ScaleNom

ClassBLDBK

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.73

Consumer names

Hemolytic Disease of NBS, Blood

Part names

Hemolytic disease of newborn screenImpPtBldNomImpression/interpretation of studyPoint 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.