ICD-10-CM · Billable Code
O02.81 — Inapprop chg quantitav hCG in early pregnancy
Inappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancy
Chapter O00-O9A: Pregnancy, childbirth and the puerperium
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Common questions about O02.81 (Inapprop chg quantitav hCG in early pregnancy)
What does ICD-10 code O02.81 mean?
O02.81 is the ICD-10-CM 2025 code for Inapprop chg quantitav hCG in early pregnancy. Inappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancy. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is O02.81 a billable diagnosis code?
Yes, O02.81 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.
Which ICD-10 chapter does O02.81 belong to?
O02.81 belongs to the chapter "Pregnancy, childbirth and the puerperium" (codes O00-O9A). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Inapprop chg quantitav hCG in early pregnancy?
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Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗