Medical Bill vs. EOB
Explains the difference between what the provider sends and what the insurer says was processed.
Read guideTopic
Medical Billing
Surprise bills, charity care, payment plans, itemized bills, and dispute paths.
132 guides, templates, variations, and updates
Medical billing 101
Core vocabulary—what a bill and EOB mean, how to read itemized charges, and how coding, allowed amounts, and adjustments work.
Medical Coding vs. Billing
How coding (translating care into CPT and diagnosis codes) differs from billing (claims, payments, and patient statements).
Read guideRequesting an Itemized Bill
How to ask for detailed charges and spot duplicate, incorrect, or unclear line items.
Read guideCoding, Charges & Allowed Amounts
CPT codes, diagnosis codes, billed charges, allowed amounts, adjustments, and write-offs.
Read guideMedical coding 101
Deeper coding literacy for advocates—claims flow, code sets, spotting errors, using codes in disputes and appeals, and certification paths.
Why Coding Matters
What medical coding is, how it differs from billing, and why advocates need enough coding knowledge to understand bills, claims, denials, and possible errors.
Read guideHow Claims Work
The flow from a healthcare encounter through documentation, coding, claim submission, insurance review, EOBs, patient responsibility, and common failure points.
Read guideKey Code Sets
ICD-10-CM, CPT, HCPCS, modifiers, units, place of service, and dates—and how each affects how a service is interpreted.
Read guideFinding Coding Problems
Compare bills, EOBs, medical records, and codes to spot duplicate charges, mismatched diagnoses, questionable modifiers, unbundling, upcoding, and medical necessity issues.
Read guideAdvocacy and Appeals
Use coding knowledge in billing calls, corrected claim requests, insurance appeals, financial assistance conversations, and documentation requests.
Read guideCertification Options
CPC, CCA, CCS, and CPB—what preparation usually involves and when certification is useful versus when working knowledge is enough.
Read guideDispute a bill
Step-by-step roadmaps for verifying charges, comparing to your EOB, requesting itemization, and escalating when something is wrong.
Surprise bills & estimates
Federal No Surprises Act protections and good faith estimate rights when charges were unexpected or much higher than quoted.
Surprise Medical Bills
Federal No Surprises Act protections for many emergency, air ambulance, and certain out-of-network services at in-network facilities.
Read guideGood Faith Estimates
Rights for uninsured or self-pay patients to receive cost estimates and dispute bills that are much higher than expected.
Read guidePay less or get help
Hospital financial assistance, charity care, negotiating discounts, and what to ask before agreeing to a payment plan.
Hospital Financial Assistance & Charity Care
How to find hospital assistance policies, apply, and pause collections while an application is pending.
Read guideNegotiating Medical Bills
How to request discounts, compare rates, document hardship, and negotiate lump-sum or reduced balances.
Read guidePayment Plans
What to ask before agreeing to a payment plan and how to avoid unaffordable arrangements.
Read guideCollections & medical debt
What to do when a bill is sent to collections, how to document disputes, and how medical debt affects credit.