What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 49936-8: Calcium.ionized/Total Ca corrected for albumin (Bld) [Mass fraction]

Name: LOINC Code 49936-8: Calcium.ionized/Total Ca corrected for albumin (Bld) [Mass fraction]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:33.944Z

49936-8 is a LOINC code used to identify Calcium.ionized/Total Ca corrected for albumin (Bld) [Mass fraction] 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.ionized/Calcium.total^^corrected for albumin. It is commonly used with the system or sample type Bld.

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.ionized/Calcium.total^^corrected for albumin. It is commonly used with the system or sample type Bld.

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

Calcium.ionized/Calcium.total corrected for albumin in Blood
Calcium.ionized/Calcium.total^^corrected for albumin
Alb; Album cor; Blood; Ca; Ca-I; Cal; Calcium active; Calcium free; Chemistry; Coagulation factor I; ICA; Ion; Mass fraction; Percent; Point in time; Protein.albumin; QNT; Quan; Quant; Quantitative; Random; Tot; Totl; WB; Whole blood

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.ionized/Total Ca corrected for albumin (Bld) [Mass fraction]Calcium.ionized/Calcium.total corrected for albumin in BloodCa-I Album cor MFr BldCalcium.ionized/Calcium.total^^corrected for albuminCHEMCalcium.ionized/Total Calcium Corrected for Albumin, BloodMFr

Frequently asked questions

Code details

Code49936-8

SystemLOINC

Display nameCalcium.ionized/Total Ca corrected for albumin (Bld) [Mass fraction]

DescriptionCalcium.ionized/Calcium.total^^corrected for albumin

Short nameCa-I Album cor MFr Bld

ComponentCalcium.ionized/Calcium.total^^corrected for albumin

PropertyMFr

TimingPt

System (specimen)Bld

ScaleQn

ClassCHEM

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.73

Consumer names

Calcium.ionized/Total Calcium Corrected for Albumin, Blood

Part names

Calcium.ionized/Calcium.total^^corrected for albuminMFrPtBldQnMass fractionPoint in time (spot)Blood

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.