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Comprehensive Metabolic Panel

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Also known as: CMP; Chem 12; Chemistry Panel; Chemistry Screen; SMA 12; SMA 20; SMAC (somewhat outdated terms)
Formal name: Comprehensive Metabolic Panel
Related tests: Basic Metabolic Panel

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At a Glance

Why Get Tested?

To give your healthcare provider important information about the current status of your metabolism, including the health of your kidneys and liver as well as electrolyte and acid/base balance and levels of blood glucose and blood proteins; to monitor known conditions, such as hypertension, and to monitor the use of medications to check for any kidney- or liver-related side effects

When to Get Tested?

As part of a routine health exam; when you are being monitored for a specific condition or are taking medications that may impact your kidney or liver

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

You may need to fast for 10-12 hours prior to sample collection; follow any instructions you are given.