Index to Diseases and Injuries
Rash (toxic)
Index code:R21
- canker A38.9
- diaper L22
- drug (internal use) L27.0
- contact L25.1 — see also Dermatitis, due to, drugs, external
- following immunization T88.1
- food — see Dermatitis, due to, food
- heat L74.0
- napkin (psoriasiform) L22
- nettle — see Urticaria
- pustular L08.0
- rose R21
- epidemic B06.9
- scarlet A38.9
- serum T80.69 — see also Reaction, serum
- wandering tongue K14.1
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Rash?
The ICD-10-CM Alphabetic Index directs "Rash" to R21. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.