ICD-10-CM Code O26.40
Herpes gestationis, unspecified trimester
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.Female Only
Code is only used for female patients.Maternity Only
Code is only used for diagnoses related to pregnancy.O26.40 is a billable ICD code used to specify a diagnosis of herpes gestationis, unspecified trimester. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code O264 is used to code Gestational pemphigoid
Gestational pemphigoid or pemphigoid gestationis (PG) is a dermatosis of pregnancy, being an autoimmune blistering skin disease that occurs during pregnancy, typically in the second or third trimester, and/or immediately following pregnancy. It was originally called herpes gestationis because of the blistering appearance, although it is not associated with the herpes virus.
| Specialty: | Obstetrics |
| MeSH Code: | D006559 |
| ICD 9 Code: | 646.8 |
Micrograph of gestational pemphigiod showing the characteristic subepidermal blisters and abundant eosinophils. HPS stain.
MS-DRG Mapping
- DRG Group #781 - Other antepartum diagnoses with medical complications.
- DRG Group #998 - Principal diagnosis invalid as discharge diagnosis.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code O26.40 and a single ICD9 code, 646.80 is an approximate match for comparison and conversion purposes.
Parent Code: O26.4 - Herpes gestationis