O88.21
⚠ Non-billable
Thromboembolism in pregnancy
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O88.21
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code O88.21?
ICD-10-CM code O88.21 represents Thromboembolism in pregnancy. It is a non-billable header code requiring a more specific subcategory in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O88.21 billable?
No. O88.21 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O88.21 in?
O88.21 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O88 category
O88
Obstetric embolism
Non-billable
O88.0
Obstetric air embolism
Non-billable
O88.1
Amniotic fluid embolism
Non-billable
O88.2
Obstetric thromboembolism
Non-billable
O88.3
Obstetric pyemic and septic embolism
Non-billable
O88.8
Other obstetric embolism
Non-billable
O88.01
Obstetric air embolism in pregnancy
Non-billable
O88.02
Air embolism in childbirth
Billable
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