Division Deep incisional (SSI-D)

Infection occurs within 30 days after the operation if no implant is left in place or within 90 days if implant is in place AND the infection appears to be related to the operation AND infection involves deep soft tissue (for example, fascia, muscle) of the incision AND at least one of the following:

• Purulent drainage from the deep incision but not from the organ/space component of the surgical site

• A deep incision spontaneously dehisces or is deliberately opened by a surgeon when the patient has at least one of the following signs or symptoms: fever (> 38 °C), localized pain or tenderness, unless incision is culture-negative

• An abscess or other evidence of infection involving the deep incision is found on direct examination, during reoperation, or by histopathologic or radiologic examination

• Diagnosis of deep incisional SSI made by a surgeon or attending physician