tci General Surgery Coding Alert - 2007 Issue 8
Integumentary Anatomy Primer
Understanding surgeon documentation and assigning the appropriate excision is easier if you recognize the relevant terms and understand the basic anatomy of the integumentary system.The outermost skin layer, the epidermis, varies in thickness from 0.05 mm (the eyelids) to 1.5 mm or more (for instance, in the soles of the feet), and is made up of five layers.The stratum corneum, or surface layer (also called the -horny layer-), is comprised of dead, flat skin cells that shed regularly. Beneath this layer are (in order) the stratum lucidum, stratum granulosum, stratum spinosum and stratum basale.The...
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