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 70262-1: Amylase in peritoneal fluid/Amylase in serum (Periton fld+S/P) [Relative ratio]

Name: LOINC Code 70262-1: Amylase in peritoneal fluid/Amylase in serum (Periton fld+S/P) [Relative ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:49.463Z

70262-1 is a LOINC code used to identify Amylase in peritoneal fluid/Amylase in serum (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 Amylase.periton fld/Amylase.serum. 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 Amylase.periton fld/Amylase.serum. 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: ACTIVE
Order vs observation: Both

What it does not mean

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

Key facts

Amylase in peritoneal fluid/Amylase in serum
Amylase.periton fld/Amylase.serum
Alpha amylase; Ams; Amyl; Amylase.prt fld; Ascites; Ascitic fluid; Ascitis; Chemistry; Diastase; k87; Periton fld+SerPl; Peritoneal fluid; Pl; Plasma; Plsm; Point in time; Prt; QNT; Quan; Quant; Quantitative; Random; Relative ratio; Ser; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Amylase in peritoneal fluid/Amylase in serum (Periton fld+S/P) [Relative ratio]Amylase in peritoneal fluid/Amylase in serumAmylase.prt fld/SerPlAmylase.periton fld/Amylase.serumCHEMAmylase in peritoneal fluid/Amylase in Serum, Peritoneal Fluid+BloodRelRto

Frequently asked questions

Code details

Code70262-1

SystemLOINC

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

DescriptionAmylase.periton fld/Amylase.serum

Short nameAmylase.prt fld/SerPl

ComponentAmylase.periton fld/Amylase.serum

PropertyRelRto

TimingPt

System (specimen)Periton fld+Ser/Plas

ScaleQn

ClassCHEM

Example unitsRatio

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.44

Consumer names

Amylase in peritoneal fluid/Amylase in Serum, Peritoneal Fluid+Blood

Part names

Amylase.periton fld/Amylase.serumRelRtoPtPeriton 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.