2025 ICD-10-CM code L59.0
(Active) Effective Date: N/A Revision Date: N/A Deletion Date: N/A Diseases of the skin and subcutaneous tissue - Radiation-related disorders of the skin and subcutaneous tissue Diseases of the skin and subcutaneous tissue (L00-L99) Feed
Erythema ab igne, also known as dermatitis ab igne, is a skin condition caused by prolonged exposure to low-intensity radiant heat.
Modifiers may not be applicable to this ICD-10 code.
Medical necessity for treatment of erythema ab igne is established by the presence of the condition, which can cause discomfort, disfigurement, and potential long-term skin damage if left untreated.The severity of symptoms dictates the need for treatment, ranging from avoidance of the heat source to the use of topical steroids in more severe cases.
Diagnosis and management of erythema ab igne typically falls under the responsibility of a dermatologist or primary care physician.This involves taking a thorough patient history, performing a physical examination, and potentially conducting further investigations such as skin biopsy if the diagnosis is uncertain.
- Diseases of the skin and subcutaneous tissue (L00-L99)
- L55-L59 (Radiation-related disorders of the skin and subcutaneous tissue)
In simple words: Erythema ab igne is a skin problem caused by sitting too close to a heat source like a fireplace for a long time. It causes a reddish, patterned rash.If you stop being near the heat, the rash usually goes away.
Erythema ab igne (L59.0), also known as dermatitis ab igne, is a chronic skin condition resulting from prolonged, low-level exposure to radiant heat, typically from a heat source such as a fireplace, heating pad, or other similar source.The condition manifests as a reticulated erythematous pattern on the skin, often with hyperpigmentation.It is characterized by persistent, localized redness and, in some cases, scaling or hyperkeratosis.The diagnosis is typically based on clinical presentation and patient history of prolonged exposure to a heat source. Treatment often involves avoiding the heat source.In some cases, topical corticosteroids may be used to manage inflammation.Resolution of the condition often occurs after cessation of heat exposure.
Example 1: A 70-year-old woman presents with a reticulated, erythematous rash on her legs.She reports sitting close to a wood-burning stove for several hours each day during the winter months.A diagnosis of erythema ab igne is made., A 55-year-old man develops a similar rash on his lower abdomen after using a heating pad daily for several weeks to relieve lower back pain.A diagnosis of erythema ab igne is established., A 30-year-old woman presents with hyperpigmentation and scaling on her thighs after prolonged exposure to a radiant heater in her office. The physician makes a diagnosis of erythema ab igne and advises reducing exposure to the heater.
Detailed patient history, including duration and type of heat source exposure.Physical examination findings, including photographs of the rash.Any relevant investigations conducted, such as a skin biopsy if the diagnosis is unclear.Treatment plan, including recommendations to avoid the heat source and any prescribed medications.
** Erythema ab igne is a preventable condition. Patient education regarding the risks of prolonged exposure to radiant heat is crucial in prevention.
- Payment Status: Active
- Modifier TC rule: Not applicable.
- Specialties:Dermatology, Primary Care
- Place of Service:Office, Clinic