Pityriasis rosea
ICD-10 Code
L42
Pityriasis rosea
Definition
A mild, self-limited skin disorder that is most commonly seen in children and young adults. It is characterized by an initial large round spot on the chest, abdomen, or back, often referred to as a herald patch, that is usually followed within a week by a distinctive pattern of similar but smaller papules on the torso, arms, and legs. There may also be itching, especially when overheated.
Also known as Pityriasis circinata, Pityriasis rosea — per MONDO
Also identified as
- DOID 8892 per MONDO
- ICD10CM L42 per MONDO
- ICD9 696.3 per MONDO
- MESH D017515 per MONDO
- NCIT C26855 per MONDO
- SCTID 77252004 per MONDO
- UMLS C0032026 per MONDO
Affected Organs
| Organ | Involvement | Source |
|---|---|---|
| Integumental system | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |
| Skin of body | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |