What is annular erythematous?

Annular erythema is not a diagnostic term but rather a description of a spreading erythematous eruption with an annular (ring-shaped) appearance. If the expansion of the rash is not uniform it may become arciform (arc-like) or polycyclic (two or more connected rings).

What does annular mean in dermatology?

DEFINITION. Annular skin lesions are figurate lesions characterized by a ring-like morphology. Although plaques represent the most common presentation of annular lesions, lesions may also be macular, nodular, or composed of grouped papules, vesicles, or pustules.

What is the difference between ringworm and granuloma annulare?

Ringworm, however, is usually scaly and itchy. Granuloma annulare is not. This rash can also be mistaken for bug bites or a rash caused by a tick with Lyme disease. Granuloma annulare is common, but no one knows what causes it.

How big is the erythema chronicum migrans rash?

The erythema migrans rash is classically 5 to 6.8 cm (1.97-2.69 in) in diameter, appearing as an annular homogenous erythema (59%), central erythema (30%), central clearing (9%), or central purpura (2%).

What are the different types of erythema annulare?

Some of the types include annular erythema (deep and superficial), erythema perstans, erythema gyratum perstans, erythema gyratum repens, darier erythema (deep gyrate erythema) and erythema figuratum perstans. Occurring at any age these lesions appear as raised pink-red ring or bulls-eye marks.

What is the ICD 10 code for erythematous disease?

Erythematous condition, unspecified 1 L53.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2 The 2019 edition of ICD-10-CM L53.9 became effective on October 1, 2018. 3 This is the American ICD-10-CM version of L53.9 – other international versions of ICD-10 L53.9 may differ.

What does ICD code A692 mean for Lyme disease?

The ICD code A692 is used to code Erythema chronicum migrans Erythema chronicum migrans (New Latin, literally, “chronic migrating redness”) refers to the rash often (though not always) seen in the early stage of Lyme disease. It can appear anywhere from one day to one month after a tick bite.