September 30, 2025
Accurate medical coding is critical for proper reimbursement and compliance, especially in obstetrics. CPT code 59025 is frequently used in prenatal care, but confusion about its application can lead to billing errors.
This guide clarifies how to use CPT 59025 effectively, including its description, modifiers, billing guidelines, and how it differs from other obstetric codes.
The CPT Code 59025 refers to a fetal non-stress test (NST) performed during pregnancy. This diagnostic test monitors the fetal heart rate in relation to uterine activity, helping physicians evaluate fetal well-being and placental function.
In 2025, CPT 59025 remains a critical code for ensuring proper reimbursement in obstetric billing.
The 59025 CPT description defines this as a non-stress test (NST) performed on a pregnant patient to monitor fetal well-being. It is not included in global maternity care packages and must be billed separately.
To avoid denials, it’s essential to know when CPT 59025 applies versus related obstetric codes:
Yes, modifiers may apply depending on how the NST is performed:
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Accurate billing for CPT 59025 requires following payer-specific rules:
Reimbursement varies by payer but averages:
Always check payer policies and Medicaid/Medicare guidelines for updated fee schedules.
The CPT Code 59025 plays a vital role in obstetric billing, ensuring accurate reimbursement for fetal non-stress tests. By following 2025 billing guidelines, documenting medical necessity, and applying correct modifiers, providers can reduce denials and support high-quality prenatal care.
Cures Medical Billing specializes in OB/GYN coding compliance and helps practices avoid costly errors. If your team struggles with 59025 billing denials, our experts provide free billing audits to optimize your revenue cycle.
It’s used to bill fetal non-stress tests (NSTs) performed during pregnancy.
Yes. Most payers, including Medicare and Medicaid, cover 59025 when medically necessary.
Yes, if only the professional (26) or technical (TC) component is billed. Otherwise, bill globally.
Typically 1–2 times per week, unless additional testing is justified with documentation.
The CPT code for an NST during pregnancy is 59025.
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