O22.5

Non-Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Cerebral venous thrombosis in pregnancy

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Non-billable category (requires more specific sub-code).
  • Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

Instructional Notes

Includes
  • Cerebrovenous sinus thrombosis in pregnancy
General instructions are available for the parent sections:

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O20-O29Other maternal disorders predominantly related to pregnancy (O20-O29)
O22Venous complications and hemorrhoids in pregnancy
O22.5Cerebral venous thrombosis in pregnancy
O22.50Cerebral venous thrombosis in pregnancy, unspecified trimester
O22.51Cerebral venous thrombosis in pregnancy, first trimester
O22.52Cerebral venous thrombosis in pregnancy, second trimester
O22.53Cerebral venous thrombosis in pregnancy, third trimester

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O22.5:

categoryO22
Venous complications and hemorrhoids in pregnancy
View context instructions
blockO20-O29
Other maternal disorders predominantly related to pregnancy (O20-O29)
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O22.5. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

3 raw paths

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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