Step 2. Diagnosis:

Select a Major Diagnosis from Component S - Tissue Perfusion

S.??.?.?

S refers to: Tissue Perfusion which may be described as: Cluster of elements that involve the oxygenation of tissues, including the circulatory and vascular systems.

Possible Sub-Diagnoses

Component Code Concept Definition
S 48.0 Tissue Perfusion Alteration Change in or modification of the oxygenation of tissues