ICD-10-CM › L00-L99 › L49-L54 › L50 Urticaria › L50.2
Urticaria due to cold and heat
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Urticaria due to cold and heat
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from L50 Urticaria
Excludes1 - never coded here
- allergic contact dermatitis (L23.-)
- angioneurotic edema (T78.3)
- giant urticaria (T78.3)
- hereditary angio-edema (D84.1)
- Quincke's edema (T78.3)
- serum urticaria (T80.6-)
- solar urticaria (L56.3)
- urticaria neonatorum (P83.8)
- urticaria papulosa (L28.2)
- urticaria pigmentosa (D47.01)
Inherited from the L49-L54 section Urticaria and erythema (L49-L54)
Excludes1 - never coded here
- Lyme disease (A69.2-)
- rosacea (L71.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Hives
- Wheal
- Bold hives
- Rash > nettle
- Exanthem, exanthema
- Urticaria > thermal
- Urticaria > cold, familial
- Urticaria > due to > cold or heat
Codes in the same group
| Code | Description | Status |
|---|---|---|
| L50.0 | Allergic urticaria | Valid |
| L50.1 | Idiopathic urticaria | Valid |
| L50.3 | Dermatographic urticaria | Valid |
| L50.4 | Vibratory urticaria | Valid |
| L50.5 | Cholinergic urticaria | Valid |
| L50.6 | Contact urticaria | Valid |
| L50.8 | Other urticaria | Valid |
| L50.9 | Urticaria, unspecified | Valid |