Best Medical Billing

Independent editorial reference

US medical billing,
explained precisely.

Payer rules, denial codes, CPT and HCPCS references, specialty workflows and state-by-state requirements — written and reviewed by certified billing professionals for practice managers, physicians and RCM teams.

1,200+
Payer & denial references
CPT / HCPCS
Code-level detail
50 states
Coverage & filing rules

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Featured

PR-204 Denial Code: Causes, Fixes, and Patient Billing

When a claim comes back with PR-204, the payer is telling you the service simply isn't a purchased benefit on the patient's policy. Here is exactly how to verify the exclusion, check your ABNs, and transfer the balance without losing the patient's trust.

9 min read

EmblemHealth Timely Filing Limits & 2026 Billing Guide

Managing EmblemHealth claims requires tracking multiple submission windows across commercial, Medicare, and Medicaid lines of business. Here are the 2026 filing limits, EDI requirements, and appeal strategies to keep your New York practice paid.

10 min read

MetroPlus Prior Authorization & Billing Guide (2026)

MetroPlus dominates the NYC Medicaid managed care space. If your practice operates in the five boroughs, you need a precise strategy for their tight filing limits, rigid NYRx pharmacy rules, and portal-driven prior authorizations.

8 min read

Topic hubs

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