The page below is a sample from the LabCE course Dermal Puncture and Capillary Blood Collection. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Introduction

A dermal (skin) puncture may be required when a venipuncture cannot be performed or may be the option of choice for some point-of-care test procedures. A dermal puncture may be a fingerstick or, in the case of small infants, may be a heelstick.

Patient safety involves proper identification prior to specimen collection, care in preparing the collection site, proper technique during collection, and treatment of the puncture wound following collection.

The technique that is used for collection of the specimen must also prevent the introduction of errors that could cause the specimen to be rejected and require recollection.