O22.01
✓ BillableVaricose veins of lower extremity in pregnancy, first trimester
Pregnancy, childbirth and the puerperium (O00-O9A)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • 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
inheritedRules inherited from parent codes.
- • obstetric pulmonary embolism (O88.-)
- • venous complications and hemorrhoids of childbirth and the puerperium (O87.-)
Clinical Description
ICD-10-CM code O22.01 represents varicose veins of lower extremity in pregnancy, first trimester. This code falls under the Pregnancy, childbirth and the puerperium (O00-O9A) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory. Coders should note that O22.01 has 6 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code O22.01?
ICD-10-CM code O22.01 is "Varicose veins of lower extremity in pregnancy, first trimester". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).
Is O22.01 a billable ICD-10 code?
Yes, O22.01 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with O22.01?
O22.01 has 6 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can O22.01 be coded with other codes?
O22.01 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in O22.0
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)