AutoICD API

94674-9

Laboratory

25-Hydroxyvitamin D3+25-Hydroxyvitamin D2/24,25-dihydroxyvitamin D3+24,25-dihydroxyvitamin D2 ratio panel in Serum or Plasma

Definition

Testing for an elevated ratio of 25HDN to 24,25 DHD can be used to reveal the likely presence of mutations in the CYP24A1 gene. CYP24A1 converts 25 hydroxyvitamin D to 24,25 dihydroxyvitamin D, a process thought to prevent overproduction of the active metabolite 1,25 dihydroxyvitamin D.

LOINC 6-Axis Classification

Component

Calcidiol+ercalcidiol/24r-Hydroxycalcidiol+24r-Hydroxyercalcidiol ratio panel

Property

-

Time Aspect

Pt

System

Ser/Plas

Scale Type

-

Method Type

N/A

Details

Class

PANEL.CHEM

Order/Observation

Order

Short Name

25D3+25D2/24,25D3+24,25D2 Pnl SerPl

Display Name

25-hydroxyvitamin D/24,25-dihydroxyvitamin D3+24,25-dihydroxyvitamin D2 ratio panel

Related Names

24(R),25-dihydroxycholecalciferol24,25(OH)2 VitD24,25(OH)2 VitD Pnl24,25-dihydroxy cholecalciferol24,25-dihydroxy vitamin D24,25-Dihydroxyvitamin D24,25-Dihydroxyvitamin D2 +24,25-Dihydroxyvitamin D324r-Hydroxy calcidiol24R-OH-Calcidiol25 Hydroxyvitamin D 225 Hydroxyvitamin D225(OH)D225(OH)D325(OH)D3+25(OH)D225D3+25D2/24,25D3+24,25D225D3+25D2/24,25D3+24,25D2 Pnl25-Hydroxy calciferol25-Hydroxy Vit D total25-Hydroxycalciferol25-hydroxycholecalciferol25-Hydroxyergocalciferol25-hydroxyvitamin D25-Hydroxyvitamin D 225-hydroxyvitamin D 325-Hydroxyvitamin D225-Hydroxyvitamin D2+25-Hydroxyvitamin D3/24,25 Dihydroxyvitamin D25-Hydroxyvitamin D2+25-Hydroxyvitamin D3/24,25 Dihydroxyvitamin D2+24,25 Dihydroxyvitamin D325-Hydroxyvitamin D2+25-Hydroxyvitamin D3/24,25-Dihydroxyvitamin D ratio panel25-hydroxyvitamin D39,10-Secoergosta-5,7,10(19),22-tetraene-3 beta,25-diolCalciderolCalcidiol+CalciferolCalcidiol+ErcalcidiolCalcifediolChemistryCYP24A1 geneErcalcidiolErcalcidiol+calcidiol/24r-HydroxycalcidiolErcalcidiol+calcidiol/24r-Hydroxycalcidiol Ratio PanelHydroxy calcidiolHypercalcemiaOH-CalcidiolPanPANEL.CHEMISTRYPanlPlPlasmaPlsmPnlPoint in timeRandomSerPSerPlSerPlasSerumSerum or plasmaSRVitamin D 25 hydroxy

Frequently Asked Questions

What is LOINC code 94674-9?

LOINC code 94674-9 identifies "25-Hydroxyvitamin D3+25-Hydroxyvitamin D2/24,25-dihydroxyvitamin D3+24,25-dihydroxyvitamin D2 ratio panel in Serum or Plasma". Testing for an elevated ratio of 25HDN to 24,25 DHD can be used to reveal the likely presence of mutations in the CYP24A1 gene. CYP24A1 converts 25 hydroxyvitamin D to 24,25 dihydroxyvitamin D, a process thought to prevent overproduction of the active metabolite 1,25 dihydroxyvitamin D.

What does 94674-9 measure?

This code measures Calcidiol+ercalcidiol/24r-Hydroxycalcidiol+24r-Hydroxyercalcidiol ratio panel in Ser/Plas. It belongs to the PANEL.CHEM class in the LOINC classification.

What is LOINC?

LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.