Table S5.
Diagnosis codes for pregnancy
| Diagnosis | Code | Description |
|---|---|---|
| ICD-9-CM | V22.0 | Supervision of normal first pregnancy |
| V22.1 | Supervision of other normal pregnancy | |
| V22.2 | Pregnant state, incidental | |
| ICD-10-CM | Z34.00 | Encounter for supervision of normal first pregnancy, unspecified trimester |
| Z34.80 | Encounter for supervision of other normal pregnancy, unspecified trimester | |
| Z34.90 | Encounter for supervision of normal pregnancy, unspecified, unspecified trimester | |
| Z33.1 | Pregnant state, incidental | |
| Z33.3 | Pregnant state, gestational carrier |
Abbreviation: ICD-9/10-CM, International Classification of Disease, Ninth or Tenth Revision, Clinical Modification.