Extemporaneous Compounding

extemp_cmpnd

pharmacy

Updated 5/16/2026

Definition

The preparation of a customized medication by a licensed pharmacist in response to a specific patient prescription not available as a commercial product. Tracked in pharmacy dispensing and PBM systems using compound claim transaction codes, requiring special pricing logic, NDC placeholder values, and manual review workflows during adjudication.

Standard Abbreviation

extemp_cmpnd

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  extemp_cmpnd VARCHAR(100),  -- Extemporaneous Compounding (max 100 chars)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  extemp_cmpnd as extemporaneous_compounding
FROM claims;

Common uses in healthcare data

PBM claims adjudication and drug utilization review
Controlled substance monitoring and DEA compliance
Pharmacy data warehouse and ETL pipeline design
Prior authorization and step therapy workflows
Medicare Part D reporting and CMS submissions

Example database column name

ISO-11179 snake_case standard

-- Recommended column name
extemp_cmpnd

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  extemp_cmpnd VARCHAR(100),  -- Extemporaneous Compounding (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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