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 50791-3: Hemoglobin pattern Elph pH 6.0 (Bld) [Interp]

Name: LOINC Code 50791-3: Hemoglobin pattern Elph pH 6.0 (Bld) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.497Z

50791-3 is a LOINC code used to identify Hemoglobin pattern Elph pH 6.0 (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 Hemoglobin pattern. 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 pattern. 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
Method: Electrophoresis pH 6.0

What it does not mean

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

Key facts

Hemoglobin pattern [Interpretation] in Blood by Electrophoresis acid (pH 6.0)
Hemoglobin pattern
Blood; Elec; Elect; Electr; Electro; Electrophhrs; Electrophrs; Elp; Elph; Elph pH6.0; Ep; Haemoglobin; Hb; HEMATOLOGY/CELL COUNTS; Hgb; Hgb Fract; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Nominal; Point in time; Random; 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 pattern Elph pH 6.0 (Bld) [Interp]Hemoglobin pattern [Interpretation] in Blood by Electrophoresis acid (pH 6.0)Hgb Fract Bld Elph pH6.0-ImpHemoglobin patternHEM/BCHemoglobin pattern, BloodImp

Frequently asked questions

Code details

Code50791-3

SystemLOINC

Display nameHemoglobin pattern Elph pH 6.0 (Bld) [Interp]

DescriptionHemoglobin pattern

Short nameHgb Fract Bld Elph pH6.0-Imp

ComponentHemoglobin pattern

PropertyImp

TimingPt

System (specimen)Bld

ScaleNom

MethodElectrophoresis pH 6.0

ClassHEM/BC

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.73

Consumer names

Hemoglobin pattern, Blood

Part names

Hemoglobin patternImpPtBldNomElectrophoresis pH 6.0Impression/interpretation of studyPoint in time (spot)BloodElectrophoresis acid (pH 6.0)

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.