What is a Global Period in Medical Billing? Definition, Rules & Solutions

What is a Global Period in Medical Billing?

A global period in medical billing refers to the timeframe (0, 10, or 90 days) following a surgical procedure during which all related preoperative, intraoperative, and postoperative services are bundled into a single payment.

This prevents duplicate billing for follow-up care tied to the original procedure.

Key Components of Global Periods

Global Period Modifiers in Medical Billing

    • Modifier 24: Use for unrelated E/M services during the global period.
    • Modifier 58: For staged/procedural services within 90 days.
    • Modifier 25: Significant, separately identifiable E/M on the same day.
      Example: A patient with a post-op infection (unrelated to surgery) billed with Modifier 24.

Global Period Days & CPT Codes

      • 90-Day Global Period: Major surgeries (e.g., CPT 49505 hernia repair).
      • 10-Day Global Period: Minor procedures (e.g., CPT 11400 lesion excision).
      • 0-Day: No follow-up care included (e.g., diagnostic tests).
        Pro Tip: Use theΒ CMS Global Surgery BookletΒ or AAPC’sΒ CPTΒ Global Period CalculatorΒ to verify days.

Global Period Scenarios & Denial Solutions

Case Study 1

  • Scenario: A patient returns 20 days post-appendectomy (90-day global) for chest pain.
  • Solution: Bill with Modifier 24 + documentation proving the visit was unrelated.

Case Study 2

  • Denial Reason: Overlapping global periods for a staged procedure.
  • Fix: Append Modifier 58 and submit operative notes.

Tool Recommendation: Track global periods using billing software like Epic or Medisoft to avoid overlaps.

How Global Periods Impact Revenue Cycles

  • Avoid Underpayments: 30% of denials stem from missing modifiers (AAPC 2023 data).
  • Compliance: CMS audits flag unbundling errors, leading to penalties.
  • Patient Trust: Transparently explain “global fees” to reduce disputes.

Pro Tips to Master Global Periods

  • Audit Regularly: Review 5% of claims monthly for modifier accuracy.
  • Educate Providers: Train surgeons on documentation requirements for staged procedures.

 Struggling with global period denials? Partner with CuresMB for error-free billing and a 20% reduction in claim rejections. Schedule a Free Audit

About Us

Our goal is to streamline your healthcare revenue cycle management, give you the financial freedom your practice deserves, and take control with a partner specializing in provider RCM optimization and services excellence.Β 

Our Services

Need Help with Medical Billing?

Fill out the form below and we’ll contact you shortly.

Thank you! Your message has been sent.

Global Period Comparison Table

Global PeriodLengthExample ProceduresBilling Impact
0-DaySame day onlyEndoscopies, simple biopsies, and minor dermatology proceduresOnly the day of service is included. Follow-ups can be billed separately.
10-DayDay of procedure + 10 daysSimple wound repairs, minor surgeriesRoutine post-op visits in this period are bundled. No separate billing.
90-DayDay of procedure + 90 daysMajor surgeries (e.g., joint replacements, open-heart surgery)All routine post-op visits, dressing changes, and suture removals are included.

Conclusion

The global period in medical billing is essential for accurate claims and compliance. Providers and billing teams can avoid denials and ensure proper reimbursement by knowing whether a procedure has a 0, 10, or 90-day global period. While routine follow-up care is included, new or unrelated conditions may still be billable with the right modifiers. Staying updated with Medicare and payer-specific rules is the key to preventing costly mistakes.

If your practice struggles with navigating global periods or modifier usage, partnering with a trusted medical billing service can help secure revenue and reduce compliance risks.

Frequently Asked Questions (FAQs)

  • Global period: Time-based bundling rule.Β 
  • Global services: All-inclusive care packages.

Global periods are usually 0 days, 10 days, or 90 days, depending on the procedure. For example, minor procedures may have a 0–10 day global period, while major surgeries often come with a 90-day period. The exact timeframe is defined by Medicare and other payers.

The global period helps providers avoid claim denials and ensures compliance with payer rules. Billing separately for services already included in the global package can trigger audits, delayed payments, or recoupments.

No. Only routine post-operative care is included. If a patient develops a new, unrelated condition, or requires services outside the standard recovery, those can often be billed separately with the right modifier (such as modifier 24 for unrelated E/M visits).

Not always. But Medicare sets the standard, some private insurers may have different policies or global period lengths. It’s important for billing teams to verify payer-specific rules before submitting claims.

Discover Cures Medical Billing Services Across Different States

Your Success Is Our Success

We are a team of national medical billing service experts based in Astoria, NY, committed to providing ongoing value to our customers. We leverage technology and implement best practices to provide high-quality and cost-efficient medical billing solutions from domestic locations, enabling customers to achieve their business goals. Cures Medical Billing is the best option for any medical billing needs.

Medical billing around Astoria, NY, and beyond is our core competency and our specialists will efficiently manage all your billing needs. Our medical billing specialists have over 12 Plus years of experience with all security technologies to ensure data integrity for our customers. Using our medical billing service, anyone can make their medical billing task less resource-consuming.

Start free 30 Days Trial Now

Contact Our RCM

Β© 2024 Created Cures Medical Billing Solutions, All copyrights ReservedΒ 

Wait! Before You Leave – Get a Free Billing Audit & Save Up to 20% of Your Revenue.

βœ… Thank you! Your information has been submitted.

βœ… Your request has been sent successfully!
×
Icon

Get a FREE Medical Billing Audit

×

Book A Free Medical Billing Audit