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Sirius Solutions Global poster with a doctor and text about CPT 59400 vs 59510 OB billing for vaginal and cesarean delivery, 2026.

When a patient relocates or transfers care mid-pregnancy, billing the global maternity package is wrong — even if your practice provided excellent prenatal care right up until that point. This 2026 guide breaks down exactly when CPT 59425 applies versus CPT 59426, why modifier 52 usually doesn't belong on either claim, and the visit-counting details that determine which code is actually correct.

Split-billing OB claims delivery only, postpartum only, or both apart from the global package cause more denials than almost any other maternity billing scenario. This guide breaks down CPT 59514, 59409, and 59430 line by line: what each code covers, which modifiers apply, and how to document them so claims don't bounce back.

76801 or 76805? The gestational-age cutoff decides it, but denials on OB ultrasound claims usually come down to documentation, not code choice. This guide breaks down both codes, what each requires on the report, and how to avoid the most common denial triggers.

Two maternity codes, one letter apart, represent completely different deliveries and billing by the birth plan instead of the actual outcome is one of the most common VBAC coding mistakes OB/GYN practices make. This 2026 guide breaks down exactly when CPT 59610 applies versus CPT 59618, the itemized codes to use when care is split between providers, and the NCCI modifier rule most claims miss.