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 57704-9: Galactosemias newborn screening comment-discussion Nar (DBS)

Name: LOINC Code 57704-9: Galactosemias newborn screening comment-discussion Nar (DBS)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:38.757Z

57704-9 is a LOINC code used to identify Galactosemias newborn screening comment-discussion Nar (DBS) 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 Galactosemias newborn screening comment-discussion. It is commonly used with the system or sample type Bld.dot.

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 Galactosemias newborn screening comment-discussion. It is commonly used with the system or sample type Bld.dot.

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

Galactosemias newborn screening comment-discussion
Asympt; Asymptomatic; Blood; Chemistry; cmmt; cmnt; Com; Comm; Comments; Commt; DBS; Dried blood spot; Filter paper; FP; Galactosemias NBS comment; Narrative; NBS comment; New born; Point in time; Random; Remarks; Report; Scn; Text; 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

Galactosemias newborn screening comment-discussion Nar (DBS)Galactosemias newborn screening comment-discussionGalactosemias NBS commentCHEMGalactosemias newborn screening comment-discussion, Dried blood spotTxtPt

Frequently asked questions

Code details

Code57704-9

SystemLOINC

Display nameGalactosemias newborn screening comment-discussion Nar (DBS)

DescriptionGalactosemias newborn screening comment-discussion

Short nameGalactosemias NBS comment

ComponentGalactosemias newborn screening comment-discussion

PropertyTxt

TimingPt

System (specimen)Bld.dot

ScaleNar

ClassCHEM

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.73

Consumer names

Galactosemias newborn screening comment-discussion, Dried blood spot

Part names

Galactosemias newborn screening comment-discussionTxtPtBld.dotNarGalactosemias newborn screening comment/discussionTextPoint in time (spot)DBS

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.