Medical Billing PDF Guides by Specialty and Payer

What’s inside these guides

All 23 guides are free PDFs covering the revenue cycle, coding references, payer programs, care settings, and individual specialties. Each one downloads directly.

Revenue cycle and workflow

How a claim moves from registration to payment, and what to do when it is denied.

• Revenue Cycle Management 101
• Complete Claim Denial Fix Guide — soft vs hard denials, ERA denial codes, appeals
• Prior Authorization Fast-Track Guide
• Credentialing Step-by-Step Guide — primary source verification, CAQH, malpractice documents
• Superbill Creation Guide

Coding and reference

Lookup material for the codes and terminology used daily.

• ICD-10 + CPT Coding Cheat Sheet — how diagnosis and procedure codes are structured and paired
• E/M Coding Guide 2026 — 99202–99215 by medical decision making or total time
• Medical Billing Glossary A–Z

Payer programs

Rules that differ by payer type, where billing the wrong payer first causes rejections.

• Medicare Billing Guide 2026 — Part B, the ABN (CMS-R-131) and its four modifiers
• Medicaid Billing Guide — fee-for-service vs MCOs, FQHC billing, state variation
• Workers Compensation Billing Guide — First Report of Injury, mandatory claim fields, the adjuster
• No-Fault Auto Insurance Billing — why PIP is primary, and benefit exhaustion at the policy cap

Care settings and payment models

Billing that changes with where care happens or how the episode is paid.

• Telehealth Billing Guide — place of service codes and telehealth modifiers
• Urgent Care Billing Guide — place of service 20 and the S9088 global code
• Home Health Billing Guide — the PDGM 30-day model and the 5-day RAP deadline
• Ambulatory Surgery Center Guide — facility 837I/UB-04 vs surgeon 837P/CMS-1500, multiple-procedure discounting
• Chronic Care Management Guide — CCM codes 99490, 99439 and 99491, time thresholds, call logs

Specialty billing

Code sets, modifiers and bundling rules specific to individual specialties.

• Behavioral Health Billing Guide — 90791, 90834, 90837 and mental health parity
• Physical Therapy Billing Guide — the 8-minute rule for 97110 and 97140, and the KX modifier
• Radiology Billing Guide — technical vs professional component split, RVUs
• Chiropractic Billing Guide — CMT codes 98940–98942, documented subluxation, the AT modifier
• Cardiology Billing Guide — echo bundling under 93306, stress testing 93015, NCCI edits
• OB/GYN Billing Guide — the global obstetric package 59400 and 59510

These guides are general educational resources. Check them against your own payer contracts, state rules, and the code set in force for the date of service.