L03.0

Applicable To

• Infection of nail

• Onychia

• Paronychia

• Perionychia

Clinical Information

• A disorder characterized by an infectious process involving the nail.

• A disorder characterized by an infectious process involving the soft tissues around the nail.

• An acute or chronic infection of the soft tissues around the nail. Symptoms include pain, tenderness, erythema, and swelling around the nail. Acute infection results from minor trauma to the fingertip and staphylococcus aureus is usually the causative agent. Chronic infection is usually caused by candida albicans.

• An infectious process affecting the nail.

• An inflammatory reaction involving the folds of the skin surrounding the fingernail. It is characterized by acute or chronic purulent, tender, and painful swellings of the tissues around the nail, caused by an abscess of the nail fold. The pathogenic yeast causing paronychia is most frequently candida albicans. Saprophytic fungi may also be involved. The causative bacteria are usually staphylococcus, pseudomonas aeruginosa, or streptococcus. andrews’ diseases of the skin, 8th ed, p271)

Details

• L03.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM L03.0 became effective on October 1, 2022.

• This is the American ICD-10-CM version of L03.0 – other international versions of ICD-10 L03.0 may differ.