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.

LOINCObservation

LOINC Code 56153-0: Albumin in serum/Albumin in peritoneal fluid (Periton fld+S/P) [Relative ratio]

Name: LOINC Code 56153-0: Albumin in serum/Albumin in peritoneal fluid (Periton fld+S/P) [Relative ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:37.767Z

56153-0 is a LOINC code used to identify Albumin in serum/Albumin in peritoneal fluid (Periton fld+S/P) [Relative ratio] 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.serum/Albumin.Periton fld. It is commonly used with the system or sample type Periton fld+Ser/Plas.

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.serum/Albumin.Periton fld. It is commonly used with the system or sample type Periton fld+Ser/Plas.

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: DISCOURAGED
Order vs observation: Observation

What it does not mean

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

Key facts

Albumin in serum/Albumin in Peritoneal fluid
Albumin.serum/Albumin.Periton fld
Alb; Alb Prt; Alb Ser; albumin gradient; Albumin ser-prt fld; Ascites; Ascitic fluid; Ascitis; Chemistry; Periton fld+SerPl; Peritoneal fluid; Pl; Plasma; Plsm; Point in time; Protein.albumin; Prt; QNT; Quan; Quant; Quantitative; Random; Relative ratio; SAAG; Ser; SerP; SerPl; SerPlas; Serum; Serum or plasma; serum-ascites albumin gradient; SR

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 in serum/Albumin in peritoneal fluid (Periton fld+S/P) [Relative ratio]Albumin in serum/Albumin in Peritoneal fluidAlbumin.Serum/PrtAlbumin.serum/Albumin.Periton fldCHEMAlbumin in serum/Albumin in Peritoneal Fluid, Peritoneal Fluid+BloodRelRto

Frequently asked questions

Code details

Code56153-0

SystemLOINC

Display nameAlbumin in serum/Albumin in peritoneal fluid (Periton fld+S/P) [Relative ratio]

DescriptionAlbumin.serum/Albumin.Periton fld

Short nameAlbumin.Serum/Prt

ComponentAlbumin.serum/Albumin.Periton fld

PropertyRelRto

TimingPt

System (specimen)Periton fld+Ser/Plas

ScaleQn

ClassCHEM

StatusDISCOURAGED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.42

Consumer names

Albumin in serum/Albumin in Peritoneal Fluid, Peritoneal Fluid+Blood

Part names

Albumin.serum/Albumin.Periton fldRelRtoPtPeriton fld+Ser/PlasQnRelative RatioPoint in time (spot)Peritoneal fluid and serum or plasma

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.