80053

Comprehensive Metabolic Panel (CMP)

The Comprehensive Metabolic Panel (CMP) is a group of 14 blood tests that provides important information about the current status of a person's metabolism, including kidney and liver function, blood sugar, and protein levels. It also measures electrolytes and fluid balance, often performed to screen for or monitor various conditions.

Clinical Indications

  • Routine health screening for general wellness
  • Evaluation of kidney function and potential kidney disease
  • Assessment of liver function and potential liver disease
  • Monitoring blood glucose levels for diabetes screening or management
  • Investigation of electrolyte imbalances (e.g., sodium, potassium, chloride, bicarbonate)
  • Diagnosis and monitoring of conditions such as hypertension, dehydration, or metabolic disorders
  • Assessment of nutritional status (e.g., albumin, total protein)
  • Monitoring the effects of certain medications on kidney or liver function

Procedure Steps

  1. Patient identification and verification of ordered tests.
  2. A healthcare professional performs a venipuncture, typically drawing blood from a vein in the arm.
  3. The collected blood sample is placed into appropriate anticoagulant tubes and labeled.
  4. The sample is transported to a clinical laboratory for analysis.
  5. Automated analyzers perform a series of biochemical tests to measure the 14 components of the CMP.
  6. Results are reviewed by laboratory staff for quality control and reported to the ordering clinician.
  7. The clinician interprets the results in the context of the patient's symptoms, medical history, and other diagnostic findings.

Coding Guidelines

  • CPT code 80053 represents a comprehensive metabolic panel that includes 14 specific tests (albumin, bilirubin total, calcium, carbon dioxide, chloride, creatinine, glucose, alkaline phosphatase, AST (SGOT), ALT (SGPT), potassium, sodium, total protein, urea nitrogen (BUN)).
  • Do not bill individual component tests separately when the full CMP (80053) is performed.
  • If additional tests beyond the 14 included in the CMP are performed, they should be coded separately.
  • Medical necessity for ordering the CMP must be clearly documented in the patient's medical record, justifying the performance of all included tests.
  • Frequencies of testing should align with clinical guidelines and patient condition to avoid medical necessity denials.