Recommendations for patient-specific baseline testing before anesthesia^*

Procedure/patient type	Test
Injection of contrast dye	Creatinine^¶
Potential for significant blood loss	Hemoglobin/hematocrit^¶
Likelihood of transfusion requirement	Type and screen
Possibility of pregnancy	Pregnancy test^Δ
End-stage kidney disease	Potassium level^◊
Diabetes	Glucose concentration on the day of surgery^◊

For further information, refer to UpToDate content on preanesthesia evaluation for noncardiac surgery.

* For testing recommendations for disease evaluation refer to UpToDate graphic on diagnostic testing for patients anticipating anesthesia.

¶ Results from laboratory tests within three months of surgery are acceptable unless major abnormalities are present or the patient's condition has changed.

Δ Pregnancy testing is not recommended before the day of surgery unless pregnancy is suspected.

◊ No absolute level of either potassium or glucose has been determined to preclude surgery and anesthesia. The benefits of the procedure must be balanced against the risk of proceeding in a patient with abnormal results.

Graphic 114163 Version 3.0

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Recommendations for patient-specific baseline testing before anesthesia*

Recommendations for patient-specific baseline testing before anesthesia^*