O26.4 Herpes gestationis

Non-billable header with 4 child codes.

Codes under O26.4

• O26.40 Herpes gestationis, unspecified trimester
• O26.41 Herpes gestationis, first trimester
• O26.42 Herpes gestationis, second trimester
• O26.43 Herpes gestationis, third trimester

Code annotations containing back-references to O26.4

Back-references to O26.4

• Type 1 Excludes: L12 Pemphigoid ("herpes gestationis (O26.4-)")
• Type 2 Excludes: O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium ("herpes gestationis (O26.4-)")
• Type 2 Excludes: O99.7 Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium ("herpes gestationis (O26.4)")

Back-references to O26

• Type 1 Excludes: Z03.7 Encounter for suspected maternal and fetal conditions ruled out ("known or suspected fetal anomalies affecting management of mother, not ruled out (O26.-, O35.-, O36.-, O40.-, O41.-)")

Diagnosis Index entries for O26.4

• Herpes, herpesvirus, herpetic › gestational, gestationis

Nearby codes

• O26.3 Retained intrauterine contraceptive device in pregnancy
• O26.30 Retained intrauterine contraceptive device in pregnancy, unspecified trimester
• O26.31 Retained intrauterine contraceptive device in pregnancy, first trimester
• O26.32 Retained intrauterine contraceptive device in pregnancy, second trimester
• O26.33 Retained intrauterine contraceptive device in pregnancy, third trimester
• O26.4 Herpes gestationis (this code)
• O26.40 Herpes gestationis, unspecified trimester
• O26.41 Herpes gestationis, first trimester
• O26.42 Herpes gestationis, second trimester
• O26.43 Herpes gestationis, third trimester
• O26.5 Maternal hypotension syndrome