ICD-10-CM › O00-O9A › O20-O29 › O22.5 Cerebral venous thrombosis in pregnancy › O22.50
Cerebral venous thrombosis in pregnancy, unspecified trimester
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 Cerebral venous thrombosis in pregnancy, unspecified trimester
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 O22 Venous complications and hemorrhoids in pregnancy
Excludes1 - never coded here
- venous complications of:
- abortion NOS (O03.9)
- ectopic or molar pregnancy (O08.7)
- failed attempted abortion (O07.35)
- induced abortion (O04.85)
- spontaneous abortion (O03.89)
Excludes2 - not included here
- obstetric pulmonary embolism (O88.-)
- venous complications and hemorrhoids of childbirth and the puerperium (O87.-)
Inherited from the O20-O29 section Other maternal disorders predominantly related to pregnancy (O20-O29)
Excludes2 - not included here
- maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
- maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
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.
- Cicatrix
- Sialorrhea
- Anteflexion
- Itch, itching
- Pinpoint > os
- Stricture > vagina
- Anteversion > cervix
- Stricture > os uteri
- Pregnancy > high-risk
- Supervision > pregnancy
- Disease, diseased > renal
- Occlusion, occluded > cervix
- Pregnancy > normal > high-risk
- Stricture > uterus, uterine > os
- Supervision > high-risk pregnancy
- Pregnancy > examination > high-risk
- Occlusion, occluded > cervical canal
- Stenosis, stenotic > endocervical os
- Encounter > pregnancy > supervision of
- Pregnancy > prenatal care only > high-risk
- Contraction, contracture, contracted > cervix
- Pregnancy > complicated by > previous history of
- Contraction, contracture, contracted > internal os
- Prediabetes, prediabetic > complicating > pregnancy
- Necrosis, necrotic > kidney > tubular > complicating > pregnancy
- Pregnancy > complicated by > thrombosis > cerebral venous
- Thrombophlebitis > cavernous sinus > complicating pregnancy
- Pregnancy > complicated by > thrombosis > cerebrovenous sinus
Codes in the same group
| Code | Description | Status |
|---|---|---|
| O22.51 | Cerebral venous thrombosis in pregnancy, first trimester | Valid |
| O22.52 | Cerebral venous thrombosis in pregnancy, second trimester | Valid |
| O22.53 | Cerebral venous thrombosis in pregnancy, third trimester | Valid |