Calcium

clinical

Updated 5/16/2026

Definition

Serum electrolyte lab result (Ca) stored in EHR laboratory information systems using LOINC codes and transmitted via HL7 OBX segments. Critical for clinical decision support alerts in inpatient and outpatient settings; calcium values populate metabolic panel results, care management dashboards, and chronic disease registries for nephrology and endocrinology workflows.

Standard Abbreviation

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  ca VARCHAR(100),  -- Calcium (max 100 chars)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  ca as calcium
FROM claims;

Common uses in healthcare data

Risk stratification and population health analytics
CMS-HCC risk adjustment and RAF score calculation
Quality measure attribution and HEDIS reporting
Clinical data warehouse schema design
Value-based care contract performance tracking

Example database column name

ISO-11179 snake_case standard

-- Recommended column name
ca

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  ca           VARCHAR(100),  -- Calcium (max 100 chars)
  created_dt  TIMESTAMP     NOT NULL DEFAULT NOW()
);

Column names follow the ISO-11179 naming convention: lowercase, underscore-separated, using the standard abbreviation as a prefix where applicable.

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