LOINCActiveOrder

LOINC Code 80170-4: Pterins panel (U)

80170-4 is a LOINC code used to identify Pterins 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 Pterins 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 Pterins 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

  • Pterins panel - Urine
  • Pterins panel
  • The analysis of pterins, including neopterin, biopterin, xanthopterin, primapterin, sepiapterin and pterin, in urine. This test is performed to diagnose pediatric neurotransmitter diseases caused by defects in the pterin biosynthetic pathway and to differentiate atypical phenylketonuria (PKU) from the classical PKU disease.
  • Chemistry; Pan; PANEL.CHEMISTRY; Panl; Pnl; Point in time; Pterins Pnl; Random; UA; 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

Pterins panel (U)Pterins panel - UrinePterins Pnl UrPterins panelPANEL.CHEMPterins panel, Urine-

Frequently asked questions

Code details

Code80170-4
SystemLOINC
Display namePterins panel (U)
DescriptionPterins panel
Short namePterins Pnl Ur
ComponentPterins panel
Property-
TimingPt
System (specimen)Urine
Scale-
ClassPANEL.CHEM
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Pterins panel, Urine

Part names

Pterins panel-PtUrinePoint 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.

LOINC Code 80170-4 | HealthAssure