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LOINC Code 79290-3: Creatine, guanidinoacetate and creatinine panel (U)

79290-3 is a LOINC code used to identify Creatine, guanidinoacetate and creatinine panel (U) 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 Creatine, guanidinoacetate & creatinine panel. It is commonly used with the system or sample type Urine.

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 Creatine, guanidinoacetate & creatinine panel. It is commonly used with the system or sample type Urine.

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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

Creatine, guanidinoacetate and creatinine panel - Urine
Creatine, guanidinoacetate & creatinine panel
Measurements of guanidinoacetate (GAA) and creatine (Cr) in urine are performed for biochemical diagnosis of guanidinoacetate methyltransferase (GAMT) deficiency, an inherited metabolic disorder of creatine metabolism that is characterized by mental retardation, developmental delay or regression, mental retardation, expressive and cognitive speech delay, and intractable seizures and movement disturbances.[OMIM612736] [PMID: 15234334]
Chemistry; CR; Cr, GAA and Creat Pnl; Crea; Creat; Creat Pnl; GAA; glycocyamine; guanidinoacetic acid; guanidoacetic acid; Pan; PANEL.CHEMISTRY; Panl; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; UA; UCr; UR; Urn

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

Creatine, guanidinoacetate and creatinine panel (U)Creatine, guanidinoacetate and creatinine panel - UrineCr, GAA and Creat Pnl UrCreatine, guanidinoacetate & creatinine panelPANEL.CHEMCreatine, guanidinoacetate and Creatinine panel, Urine-

Frequently asked questions

Code details

Code79290-3
SystemLOINC
Display nameCreatine, guanidinoacetate and creatinine panel (U)
DescriptionCreatine, guanidinoacetate & creatinine panel
Short nameCr, GAA and Creat Pnl Ur
ComponentCreatine, guanidinoacetate & creatinine panel
Property-
TimingPt
System (specimen)Urine
ScaleQn
ClassPANEL.CHEM
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.54

Consumer names

Creatine, guanidinoacetate and Creatinine panel, Urine

Part names

Creatine, guanidinoacetate & creatinine panel-PtUrineQnCreatine, guanidinoacetate and creatinine panelPoint in time (spot)

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.