VerifyDoc Blog

Medical Billing
Explained in Plain English

Guides to understanding hospital bills, decoding CPT codes, disputing billing errors, and knowing your rights as a patient.

New Hospital Price Transparency Rules: What Patients Must Know Now

CMS's new hospital price transparency rules are now in effect. Here's how to use them to check your bill, spot overcharges, and protect yourself from billing errors.

April 2026Read →

What Is Upcoding? How Hospitals Inflate Your Bill — and How to Spot It

Upcoding costs patients billions each year. Learn exactly what upcoding is, how it shows up on your hospital bill, and how to dispute inflated charges.

April 2026Read →

How to Spot Upcoding and Wrong Billing Codes on a Hospital Bill (2026)

Learn how to spot upcoding and wrong CPT/ICD-10 codes on your 2026 hospital bill — with a checklist, code comparison table, and dispute steps.

April 2026Read →

What the Federal IDR Process Actually Means for Your Medical Bill in 2026

Learn how the federal IDR process works in 2026, what it means for your surprise medical bill, and what rights patients have under 45 CFR § 149.510.

April 2026Read →

Balance Billing & the No Surprises Act: Know Your Rights in 2026

Learn your 2026 rights under the No Surprises Act (45 CFR § 149.110): when balance billing is illegal, how to dispute a surprise bill, and what's changing.

April 2026Read →

CPT Modifiers -25, -59, and -GA Explained for Patients (2026)

CPT modifiers -25, -59, and -GA explained for patients: what they mean, when they're legitimate, and how to spot billing errors in 2026.

May 2026Read →

Duplicate Charges on Your Hospital Bill: How to Find Them in 2026

Learn how to find and dispute duplicate charges on your hospital bill in 2026, with federal rules, NCCI edits, and step-by-step guidance.

May 2026Read →

How to Negotiate a Hospital Bill in 2026: A Step-by-Step Guide

Learn how to negotiate your hospital bill in 2026 using charity care laws, No Surprises Act rights, and new CMS price transparency rules.

May 2026Read →

5 Anesthesia & Assistant Surgeon Billing Mistakes to Catch in 2026

Learn the 5 most common anesthesia and assistant-surgeon billing errors in 2026, with CFR citations and tips to dispute overcharges.

May 2026Read →

Ambulance Billing & the No Surprises Act: What's Not Protected in 2026

Ground ambulances are excluded from the No Surprises Act. Learn your 2026 federal and state rights, common billing errors, and how to dispute your bill.

May 2026Read →

ER Bill Review: CPT Codes Most Often Misused in 2026

Learn which ER CPT codes are most commonly misused in 2026, how to spot E/M upcoding, and steps to dispute overcharges on your hospital bill.

May 2026Read →

Phantom Charges on Your Hospital Bill: How to Spot and Dispute Them in 2026

Phantom charges bill you for services never received. Learn the federal laws, 8-step dispute process, and common patterns to catch them in 2026.

May 2026Read →

In-Network Hospital, Out-of-Network Bill: Your Rights in 2026

Learn which out-of-network bills at in-network hospitals are illegal under the No Surprises Act (45 CFR § 149.420) and how to dispute them in 2026.

June 2026Read →

Observation vs. Inpatient Admission: The Billing Difference That Can Cost You Thousands in 2026

Learn how the Medicare 2-midnight rule (42 C.F.R. § 412.3) affects your 2026 hospital bill and what observation status really costs you.

June 2026Read →

Medicare Summary Notice vs. Commercial EOB: How to Read Each in 2026

Learn how to read your Medicare Summary Notice vs. commercial EOB in 2026 — key differences, appeal deadlines, and how to catch billing errors.

June 2026Read →

What 'Adjustments' on a Hospital Bill Really Mean in 2026

Learn what adjustment codes on a hospital bill mean in 2026, how to verify CO, PR, PI, and OA amounts, and dispute errors under 45 CFR § 180.50.

June 2026Read →

Hospital Price File 2026: How to Find and Use a Hospital's Machine-Readable Data

Learn how to find and read your hospital's 2026 machine-readable price file under 45 CFR § 180.50 to catch billing errors and overcharges.

June 2026Read →

Uninsured Patient Discounts & Charity Care: Your Rights in 2026

Uninsured in 2026? Federal law (IRC § 501(r)) caps nonprofit hospital bills at insured rates. Learn your rights and how to apply for charity care.

June 2026Read →

Telehealth E-Visit Codes 99421–99423: What's Reimbursable in 2026

What CPT codes 99421–99423 mean on your 2026 medical bill, who can bill them, and how to spot e-visit billing errors.

June 2026Read →

Imaging & Lab Test Billing Errors: 8 Mistakes to Catch in 2026

Spot 8 common imaging and lab billing errors in 2026 — from duplicate CPT codes to illegal balance bills — with federal rules and dispute steps.

June 2026Read →

Lab Panel Unbundling: When CPT 80053 and 80048 Are Billed Wrong (2026)

Lab panel unbundling explained: when CPT 80053 and 80048 are billed wrong in 2026 and how to dispute the error.

June 2026Read →

DRG Coding and Inpatient Bill Audits: What Patients Need to Know in 2026

Learn how MS-DRG coding works in 2026, what billing errors HHS-OIG has documented, and how to audit your inpatient hospital bill under 42 CFR § 412.60.

July 2026Read →

When Can a Hospital Send You to Collections? 2026 Rules

Federal rules on when hospitals can send bills to collections in 2026: IRC § 501(r), FDCPA rights, and the CFPB credit-reporting rule vacated in July 2025.

July 2026Read →

Itemized vs. Summary Hospital Bill: What to Ask For in 2026

Learn the exact federal rules (45 CFR § 164.524, No Surprises Act) for requesting your itemized hospital bill in 2026 — and how to use it to catch…

July 2026Read →

EOB vs. Hospital Bill: Which Numbers Actually Matter in 2026?

Learn the key differences between your EOB and hospital bill, which dollar amounts control what you owe, and your 2026 federal rights under the No…

July 2026Read →