LOINCActiveBoth

LOINC Code 104248-0: Pepsinogen I/Pepsinogen II (S) [Mass ratio]

104248-0 is a LOINC code used to identify Pepsinogen I/Pepsinogen II (S) [Mass 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 Pepsinogen I/Pepsinogen II. It is commonly used with the system or sample type Ser.

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 Pepsinogen I/Pepsinogen II. It is commonly used with the system or sample type Ser.

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

  • Pepsinogen I/Pepsinogen II [Mass Ratio] in Serum
  • Pepsinogen I/Pepsinogen II
  • 2; Chemistry; Mass concentration ratio; Mass ratio; MCRto; Pepsinogen (euc); Pepsinogen 1; Pepsinogen 2; Pepsinogen A; PG; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; Total pepsinogens

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

Pepsinogen I/Pepsinogen II (S) [Mass ratio]Pepsinogen I/Pepsinogen II [Mass Ratio] in SerumPepsinogen I/Pepsinogen II SerPepsinogen I/Pepsinogen IICHEMPepsinogen I/Pepsinogen II, BloodMRto

Frequently asked questions

Code details

Code104248-0
SystemLOINC
Display namePepsinogen I/Pepsinogen II (S) [Mass ratio]
DescriptionPepsinogen I/Pepsinogen II
Short namePepsinogen I/Pepsinogen II Ser
ComponentPepsinogen I/Pepsinogen II
PropertyMRto
TimingPt
System (specimen)Ser
ScaleQn
ClassCHEM
Example units%
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.77
Last changed2.77

Consumer names

Pepsinogen I/Pepsinogen II, Blood

Part names

Pepsinogen I/Pepsinogen IIMRtoPtSerQnMass RatioPoint in time (spot)Serum

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.

LOINC Code 104248-0 | HealthAssure