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 77370-5: Procollagen type I.N-terminal propeptide IA [Mass/Vol]

Name: LOINC Code 77370-5: Procollagen type I.N-terminal propeptide IA [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:57.648Z

77370-5 is a LOINC code used to identify Procollagen type I.N-terminal propeptide IA [Mass/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 Procollagen type I.N-terminal propeptide. It is commonly used with the system or sample type 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 Procollagen type I.N-terminal propeptide. It is commonly used with the system or sample type 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
Method: IA

What it does not mean

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

Key facts

Procollagen type I.N-terminal propeptide [Mass/volume] in Serum or Plasma by Immunoassay
Procollagen type I.N-terminal propeptide
This term was created for, but not limited in use to, the Roche cobas total P1NP, total procollagen type 1 amino-terminal propeptide test kit.
Chemistry; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; Level; Mass concentration; MEIA; P1NP; PINP; Pl; Plasma; Plsm; Point in time; Procollagen I; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; SUDS

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

Procollagen type I.N-terminal propeptide IA [Mass/Vol]Procollagen type I.N-terminal propeptide [Mass/volume] in Serum or Plasma by ImmunoassayPINP SerPl IA-mCncProcollagen type I.N-terminal propeptideCHEMProcollagen Type I.N-terminal Propeptide, BloodMCnc

Frequently asked questions

Code details

Code77370-5

SystemLOINC

Display nameProcollagen type I.N-terminal propeptide IA [Mass/Vol]

DescriptionProcollagen type I.N-terminal propeptide

Short namePINP SerPl IA-mCnc

ComponentProcollagen type I.N-terminal propeptide

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

MethodIA

ClassCHEM

Example unitsng/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.52

Last changed2.56

Consumer names

Procollagen Type I.N-terminal Propeptide, Blood

Part names

Procollagen type I.N-terminal propeptideMCncPtSer/PlasQnIAMass ConcentrationPoint in time (spot)Serum or PlasmaImmunoassay

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.