S90.822
Blister (nonthermal), left foot
Clinical Classification Guidelines
Medical Intelligence & Overview
Blisters on the feet are common skin issues that can develop due to various reasons. Specifically, a blister classified under ICD-10 code S90.822 refers to a nonthermal blister on the left foot. These blisters are fluid-filled sacs that form as the skin's protective response to damage or friction. Recognizing the causes and symptoms associated with this condition can help in managing the blister effectively and preventing complications.
Causes & Symptoms
Clinical Causes: Friction or rubbing from tight shoes or ill-fitting footwear Repeated pressure or trauma to the foot Exposure to moisture and heat, leading to skin maceration Allergic reactions to footwear materials or topical products Certain skin conditions or infections that weaken the skin
Key Symptoms: Presence of a raised, fluid-filled sac on the skin of the left foot Tenderness or soreness around the blister Redness and irritation in the surrounding area Possible peeling or peeling skin around the blister In some cases, the blister may burst, leading to raw skin
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a physical examination by a healthcare professional. They will assess the appearance, size, and location of the blister. Additional evaluations may include checking for signs of infection or underlying skin conditions. Usually, no laboratory tests are required unless an infection or other complicating factors are suspected.
Treatment Protocols: Keep the blister intact if it is not painful or at risk of bursting, as the skin acts as a natural barrier against infection Clean the area gently with mild soap and water if the blister bursts Apply an antiseptic ointment to prevent infection if the blister has broken Cover the blister with a sterile, non-adhesive bandage or dressing to protect it Avoid tight footwear and reduce pressure on the affected area Refrain from popping the blister prematurely, unless advised by a healthcare professional Use pain relief measures like over-the-counter analgesics if necessary Monitor for signs of infection, such as increased redness, swelling, warmth, or pus Seek medical attention if the blister shows signs of infection or does not heal
Clinical Advice & FAQs
Billing Guidance
Is S90.822 a billable ICD-10 code?
Yes, S90.822 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report S90.822?
Clinical documentation must specify the nature of Blister (nonthermal), left foot and any associated comorbidities for accurate reporting.
Cite this Clinical Reference