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.

LOINCActiveBoth

LOINC Code 77158-4: Albumin DL <= 3.0 mg/L (U) [Moles/Vol]

Name: LOINC Code 77158-4: Albumin DL <= 3.0 mg/L (U) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:57.647Z

77158-4 is a LOINC code used to identify Albumin DL <= 3.0 mg/L (U) [Moles/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 Albumin. It is commonly used with the system or sample type Urine.

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 Albumin. It is commonly used with the system or sample type Urine.

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: Both
Method: Detection limit <= 3.0 mg/L

What it does not mean

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

Key facts

Microalbumin [Moles/volume] in Urine by Detection limit <= 3.0 mg/L

Albumin

This term was created for, but not limited in use to, the cobas Tina-quant Albumin test kit. (Conversion factorsmg/L x 0.0152 = μmol/L, g/L x 15.2 = μmol/L)

Alb; Chemistry; DL <= 3 mg/L; Kidney; Left; Level; Levo; MA; Malb; Micro albumin; Microalbumin; Nephrology; Point in time; Protein.albumin; QNT; Quan; Quant; Quantitative; Random; Renal; Substance Concentration; UA; UR; Urn

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

Albumin DL <= 3.0 mg/L (U) [Moles/Vol]Microalbumin [Moles/volume] in Urine by Detection limit <= 3.0 mg/LMicroalbumin Ur DL<=3.0 mg/L-sCncAlbuminCHEMAlbumin, UrineSCnc

Frequently asked questions

Code details

Code77158-4

SystemLOINC

Display nameAlbumin DL <= 3.0 mg/L (U) [Moles/Vol]

DescriptionAlbumin

Short nameMicroalbumin Ur DL<=3.0 mg/L-sCnc

ComponentAlbumin

PropertySCnc

TimingPt

System (specimen)Urine

ScaleQn

MethodDetection limit <= 3.0 mg/L

ClassCHEM

Example unitsumol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.52

Last changed2.72

Consumer names

Albumin, Urine

Part names

AlbuminSCncPtUrineQnDetection limit <= 3.0 mg/LSubstance ConcentrationPoint in time (spot)

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.