O02.81: Inappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancy
O02.81 is the billable ICD-10-CM diagnosis code for Inappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancy. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code O02.81?
O02.81 is the ICD-10-CM diagnosis code for Inappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancy. It belongs to category O02 (Other abnormal products of conception).
Is O02.81 a billable code?
Yes. O02.81 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does O02.81 belong to?
O02.81 is part of ICD-10-CM category O02 — Other abnormal products of conception, which has 10 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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