O26.42
BillableHerpes gestationis, second trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A pregnancy-related skin condition called herpes gestationis occurring during the second trimester (weeks 13-27), characterized by blistering and itching.
Coding Tips
- •Herpes gestationis is an autoimmune condition unrelated to herpes simplex virus; ensure documentation specifies the trimester for accurate coding
- •This condition typically appears in the second or third trimester; verify trimester dates match clinical documentation
Code Hierarchy
└O26Maternal care for other conditions predominantly related to pregnancy└O26.4Herpes gestationis└O26.42Herpes gestationis, second trimester
└O26.42Herpes gestationis, second trimester