LOINCActiveBoth

LOINC Code 2005-7: Calcium post 12 Hr fast (2H U) [Moles/Time]

2005-7 is a LOINC code used to identify Calcium post 12 Hr fast (2H U) [Moles/Time] 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 Calcium^post 12H CFst. 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 Calcium^post 12H CFst. 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: Both

What it does not mean

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

Key facts

  • Calcium [Moles/time] in 2 hour Urine --12 hours fasting
  • Calcium^post 12H CFst
  • 120 min; 120 minutes; 120min; 2 hours; 2HR; After; Ca; Cal; Calorie Fast; CHEMISTRY.CHALLENGE TESTING; Fast; Fasting; p 12h fast; PC; PST; QNT; Quan; Quant; Quantitative; sRate; Substance Rate; 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

Calcium post 12 Hr fast (2H U) [Moles/Time]Calcium [Moles/time] in 2 hour Urine --12 hours fastingCalcium p 12h fast 2h Ur-sRateCalcium^post 12H CFstCHALCalcium after 12 hr Fast, UrineSRat

Frequently asked questions

Code details

Code2005-7
SystemLOINC
Display nameCalcium post 12 Hr fast (2H U) [Moles/Time]
DescriptionCalcium^post 12H CFst
Short nameCalcium p 12h fast 2h Ur-sRate
ComponentCalcium^post 12H CFst
PropertySRat
Timing2H
System (specimen)Urine
ScaleQn
ClassCHAL
Example unitsmmol/24 H
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.40

Consumer names

Calcium after 12 hr Fast, Urine

Part names

Calcium^post 12H CFstSRat2HUrineQnSubstance Rate2 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 2005-7 | HealthAssure