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LOINC Code 1728-5: Adenosine monophosphate.cyclic/Creatinine [Mass ratio]

1728-5 is a LOINC code used to identify Adenosine monophosphate.cyclic/Creatinine [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 Adenosine monophosphate.cyclic/Creatinine. It is commonly used with the system or sample type Ser/Plas.

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 Adenosine monophosphate.cyclic/Creatinine. 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

What it does not mean

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

Key facts

  • Adenosine monophosphate.cyclic/Creatinine [Mass Ratio] in Serum or Plasma
  • Adenosine monophosphate.cyclic/Creatinine
  • Adenosine 2'-Phosphate; Adenosine 3'-Phosphate; Adenosine 5'-Phosphate; Adenylic Acid; ADO; AMP; ANED; cAMP; Chemistry; CMP; CR; Crea; Creat; Mass concentration ratio; Mass ratio; MCRto; Medication stress; Phosphaden; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Adenosine monophosphate.cyclic/Creatinine [Mass ratio]Adenosine monophosphate.cyclic/Creatinine [Mass Ratio] in Serum or PlasmacAMP/Creat SerPlAdenosine monophosphate.cyclic/CreatinineCHEMAdenosine monophosphate.cyclic/Creatinine, BloodMRto

Frequently asked questions

Code details

Code1728-5
SystemLOINC
Display nameAdenosine monophosphate.cyclic/Creatinine [Mass ratio]
DescriptionAdenosine monophosphate.cyclic/Creatinine
Short namecAMP/Creat SerPl
ComponentAdenosine monophosphate.cyclic/Creatinine
PropertyMRto
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
Example unitsng/g creatinine
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Adenosine monophosphate.cyclic/Creatinine, Blood

Part names

Adenosine monophosphate.cyclic/CreatinineMRtoPtSer/PlasQnMass RatioPoint in time (spot)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.