LOINC Code 57469-9: 1,25-dihydroxyvitamin D3 2 Hr post dose calcium [Moles/Vol]

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 Calcitriol^2H post dose calcium. 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: Observation

What it does not mean

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

Key facts

• Calcitriol [Moles/volume] in Serum or Plasma --2 hours post dose calcium
• Calcitriol^2H post dose calcium
• 1,25(OH)2D3; 1,25-Calcitriol; 1,25-Dihydroxycholecalciferol; 1,25-Dihydroxyvitamin D; 1,25-Dihydroxyvitamin D3; 120 min; 120 minutes; 120min; 2 hours; 2h p Ca; After; Ca; Cal; CHEMISTRY.CHALLENGE TESTING; Level; p dose; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Substance concentration

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

Frequently asked questions