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Specialty Care

OB-GYN Medical Billing Services

Maternity packages and gynecologic surgery, both billed right

Obstetric care is billed as a package that can span nine months, and almost anything can interrupt it. A patient transfers, changes plans, or delivers early, and suddenly the global maternity charge no longer applies. Meanwhile the gynecologic side runs on ordinary surgical and office rules. We manage both, so neither one absorbs the other's mistakes.

  • Faster reimbursements
  • Higher collections
  • Lower denials
  • HIPAA compliant
  • Certified coders
  • Dedicated billing experts
OVERVIEW

What Is OB-GYN Medical Billing?

OB-GYN medical billing covers two related but distinct lines of work. Obstetric care follows a pregnancy from first prenatal visit through delivery and recovery. Gynecologic care covers well-woman exams, office procedures, imaging, and surgery.

Obstetrics is unusual because much of it bills as a single global package rather than visit by visit. That package assumes one practice provides routine antepartum care, the delivery, and postpartum follow-up.

When any part of that assumption breaks, the package has to be unbundled and billed as components instead. Practices that keep submitting the global charge after a patient transfers or changes coverage end up with denials that are painful to unwind months later.

WHAT MAKES IT COMPLEX

What Makes OB-GYN Billing Unusual

No other specialty routinely bills one charge for care delivered across most of a year.

  • The global maternity package

    Routine prenatal visits, delivery, and postpartum care are bundled into one charge with strict conditions attached.

  • Transfers break the package

    A patient who moves practices mid-pregnancy converts the whole episode into separately billed components.

  • Coverage changes mid-pregnancy

    Plan changes during a pregnancy split responsibility between payers and complicate an already long billing cycle.

  • High-risk care is billed on top

    Additional monitoring and specialised ultrasound sit outside the package when medical necessity is documented.

WHERE REVENUE LEAKS

Six Ways OB-GYN Revenue Slips Away

The maternity package causes most of them.

Global Package Misuse

The full maternity charge billed when the practice did not provide every component.

The fixConfirm which components you delivered before choosing global or component billing.

Unbilled Antepartum Visits

When a package breaks, prenatal visits are never rebilled and the episode is lost.

The fixLog every antepartum visit as it happens so components can be billed later.

Ultrasound Component Errors

Imaging done at a hospital but read in office billed globally, hitting the facility claim.

The fixBill only the interpretation whenever the scan used someone else's equipment.

Well-Woman Visit Denials

A preventive exam and a problem visit billed without separating the documentation.

The fixWrite a distinct assessment and plan for the problem before adding the modifier.

Missed High-Risk Charges

Extra monitoring for a complicated pregnancy folded into the package unbilled.

The fixDocument the condition making the pregnancy high risk and bill that care separately.

Postpartum Follow-Up Gaps

Recovery visits unbilled when the delivery happened elsewhere.

The fixRecord who delivered the patient so postpartum care is billed by the right practice.

HOW WE WORK

How We Bill an OB-GYN Episode of Care

Tracked across the whole pregnancy, not claim by claim.

  1. Open the Episode

    At the first prenatal visit we record the due date, plan, and whether your practice will provide the full package.

  2. Track Every Visit

    Antepartum visits are logged as they happen, so component billing is possible the moment a package breaks.

  3. Verify Coverage Again

    Benefits are re-checked at plan year changes, since pregnancies routinely cross a coverage boundary.

  4. Code the Delivery

    Delivery type, complications, and who provided postpartum care determine whether a global or component charge applies.

  5. Bill Gynecologic Work Separately

    Surgery, office procedures, and well-woman visits run through their own coding and authorisation path.

  6. Follow Up and Report

    Denials are worked by cause, with reporting split between obstetric episodes and gynecologic services.

WHAT'S INCLUDED

What Your OB-GYN Engagement Includes

Obstetric and gynecologic workflows under one team.

  • Insurance Verification
  • Maternity Package Management
  • Antepartum Visit Tracking
  • Delivery Coding
  • Gynecologic Surgery Billing
  • Ultrasound Component Billing
  • Prior Authorization
  • Charge Entry
  • Denial Management
  • AR Follow-Up
  • Credentialing
  • Patient Billing Support
CODING FRAMEWORK

OB-GYN Coding Essentials

A general outline of the OB-GYN coding landscape.

Key CPT Ranges

RangeWhat It Covers
59400–59410Vaginal delivery, global and component billing
59510–59525Cesarean delivery and related services
59425–59426Antepartum care billed as a group of visits
58100–58579Uterine and endometrial procedures
76801–76817Obstetric ultrasound by trimester and detail
99381–99397Preventive well-woman visits by age

Common ICD-10 Groups

GroupClinical Focus
O09Supervision of high-risk pregnancy
O20–O29Maternal complications of pregnancy
O80–O82Encounter for delivery
N80–N98Endometriosis, menstrual, and pelvic disorders
Z34Supervision of a normal pregnancy
Z01.4Routine gynecological examination

What Documentation Has To Show

  • The number of antepartum visits actually provided by your practice.
  • Delivery route, any complications, and who provided postpartum care.
  • The clinical reason supporting any ultrasound beyond routine dating.
  • Separate notes when a problem is addressed during a well-woman exam.

Note: This is general education on how ob-gyn coding is organised. Code sets and payer policies change often. Always check the current code set and the payer's active policy for the date of service.

PLATFORM EXPERIENCE

Software We Bill OB-GYN In

We work in the system your practice already runs.

  • athenahealth logo
  • eClinicalWorks logo
  • Epic logo
  • NextGen logo
  • AdvancedMD logo
  • CareCloud logo
SPECIALTY FAQS

OB-GYN Billing Questions Practices Bring Us

Direct answers for obstetric and gynecologic practices.

Generally routine antepartum visits, the delivery itself, and routine postpartum care, all billed as one charge after delivery. It assumes your practice provided all three parts. Problems unrelated to the pregnancy, additional monitoring for complications, and most ultrasounds sit outside it. Knowing what falls outside is where the recoverable revenue usually is.

Not with the global package, because you did not provide the full course of care. You bill the components you actually delivered: the antepartum visits you provided, the delivery, and postpartum care if you handled it. That means every visit needs to have been logged as it happened. Practices that only track the due date struggle to reconstruct this later.

The episode gets split between payers based on when care was provided under each plan. Neither payer will accept a global charge covering time it did not cover. You bill components to each, matched to their coverage dates. We re-verify benefits at plan year boundaries specifically because pregnancies so often cross one, and catching it early avoids a months-long cleanup.

Most likely a component split problem. If the scan was performed on hospital equipment and only interpreted by your physician, you bill the interpretation alone. Billing it globally collides with the facility's claim for the same date. Where the scan happens on your own equipment in your office, the global charge is correct. The setting decides, not the habit.

Yes, when the problem work is significant and separately documented. A new pelvic complaint evaluated during the annual exam is billable with the right modifier. Simply reviewing existing stable issues is not. The note needs its own assessment and plan for the problem. Without that separation, the additional line will not hold up under review.

Additional visits, monitoring, and detailed ultrasound beyond routine care can be billed separately from the package when medical necessity is documented. The record needs the specific condition making the pregnancy high risk, not just a general note that the patient is being watched closely. Practices frequently deliver this extra care and never charge for it.

Yes, and they need state-specific handling. Medicaid covers a large share of births, and rules on authorisation, presumptive eligibility, delivery payment, and filing deadlines vary considerably by state and by managed care plan. Filing windows are often shorter than commercial. We configure rules per state and per plan rather than treating Medicaid as a single payer.

As soon as postpartum care is complete and documented, since the package is billed after the fact. Waiting too long risks the filing deadline, which is measured from the delivery date by most payers. Because the episode has already run for months, the remaining window can be tighter than it looks. We flag delivered patients whose global claim has not yet been submitted.

Usually multiple-procedure reductions applied more aggressively than your contract allows. Several procedures performed in one operative session get automatic reductions from the payer's editor. When the percentage does not match your contract, the difference vanishes into the contractual adjustment. Line-level posting against loaded rates is what turns that into a recoverable underpayment.

Yes, and obstetric backlogs are worth working. Maternity claims often sit unresolved because reconstructing an episode takes effort a departing vendor has no reason to spend. We rebuild the visit history, determine whether global or component billing applies, and file what is still inside the window. Older gynecologic surgical denials are frequently recoverable too.

Protect Every Maternity Episode You Bill

We will review your obstetric claims for broken packages, unbilled antepartum visits, and high-risk care that never got charged.

Schedule an RCM Consultation

Submit your details and our AAPC-certified billing auditors will coordinate a free operational audit for your clinic.

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