LOINCActiveOrder

LOINC Code 44906-6: Homovanillate panel (24H U)

44906-6 is a LOINC code used to identify Homovanillate panel (24H 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 Homovanillate 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 Homovanillate 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

  • Homovanillate panel - 24 hour Urine
  • Homovanillate panel
  • 1 day; 24 hours; 24HR; 3-methoxy-4-hydroxy-phenylacetic acid; Chemistry; Homovanilic; Homovanillate Pnl; Homovanillic acid; HVA; Pan; PANEL.CHEMISTRY; Panl; Pnl; Tumor marker; 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

Homovanillate panel (24H U)Homovanillate panel - 24 hour UrineHomovanillate Pnl 24h UrHomovanillate panelPANEL.CHEMHomovanillate panel, Urine-

Frequently asked questions

Code details

Code44906-6
SystemLOINC
Display nameHomovanillate panel (24H U)
DescriptionHomovanillate panel
Short nameHomovanillate Pnl 24h Ur
ComponentHomovanillate panel
Property-
Timing24H
System (specimen)Urine
Scale-
ClassPANEL.CHEM
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.73

Consumer names

Homovanillate panel, Urine

Part names

Homovanillate panel-24HUrine24 hours

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 44906-6 | HealthAssure