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 40410-3: ALP (Periton fld) [Catalytic activity/Vol]

Name: LOINC Code 40410-3: ALP (Periton fld) [Catalytic activity/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

40410-3 is a LOINC code used to identify ALP (Periton fld) [Catalytic activity/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 Alkaline phosphatase. It is commonly used with the system or sample type Periton fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Alkaline phosphatase. It is commonly used with the system or sample type Periton fld.

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

Alkaline phosphatase [Enzymatic activity/volume] in Peritoneal fluid
Alkaline phosphatase
Alk; Alk phos; Alkaline phos; Alkaline phosphatase.total; ALKP; ALP; AP; Ascites; Ascitic fluid; Ascitis; Catalytic Concentration; Chemistry; Hepatology; Liver; MSK; Musculoskeletal; Ortho; Orthopedics; Peritoneal fluid; Phos; Phosphtase; Point in time; Prt; QNT; Quan; Quant; Quantitative; Random

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for ALP (Periton fld) [Catalytic activity/Vol] (40410-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

ALP (Periton fld) [Catalytic activity/Vol]Alkaline phosphatase [Enzymatic activity/volume] in Peritoneal fluidALP Prt-cCncAlkaline phosphataseCHEMAlkaline phosphatase, Peritoneal fluidCCnc

Frequently asked questions

Code details

Code40410-3

SystemLOINC

Display nameALP (Periton fld) [Catalytic activity/Vol]

DescriptionAlkaline phosphatase

Short nameALP Prt-cCnc

ComponentAlkaline phosphatase

PropertyCCnc

TimingPt

System (specimen)Periton fld

ScaleQn

ClassCHEM

Example unitsarb U/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.73

Consumer names

Alkaline phosphatase, Peritoneal fluid

Part names

Alkaline phosphataseCCncPtPeriton fldQnCatalytic ConcentrationPoint in time (spot)Peritoneal fluid

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.