ICD-10-CM › L00-L99 › L10-L14 › L13 Other bullous disorders › L13.9
Bullous disorder, unspecified
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 Bullous disorder, unspecified
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 the L10-L14 section Bullous disorders (L10-L14)
Excludes1 - never coded here
- benign familial pemphigus [Hailey-Hailey] (Q82.8)
- staphylococcal scalded skin syndrome (L00)
- toxic epidermal necrolysis [Lyell] (L51.2)
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.
- Dermatosis > bullous
- Disease, diseased > bullous
- Dermatitis > bullous, bullosa
Codes in the same group
| Code | Description | Status |
|---|---|---|
| L13.0 | Dermatitis herpetiformis | Valid |
| L13.1 | Subcorneal pustular dermatitis | Valid |
| L13.8 | Other specified bullous disorders | Valid |