Billing by specialty
The rules that only your specialty fights
Every specialty has its own denials: the modifier that has to be there, the code that Medicare will not cover, the unit math that has to be exact. These guides go straight at the code-level pain, written for the biller, the office manager, or the solo provider who handles the claims. No demo wall.
Mental Health & Therapy Billing
90837 vs 90834 time thresholds, the 90785 add-on, telehealth POS 10 vs 02, and the 2024 Medicare change for LPCs and LMFTs.
Read the guide →Physical, Occupational & Speech Therapy Billing
The 8-minute rule worked, the KX threshold, the GP/GO/GN discipline modifiers, and the NCCI edits that bundle your second code.
Read the guide →Chiropractic Billing & the AT-Modifier Trap
What Medicare actually covers, the AT modifier, the subluxation diagnosis, and ABN modifiers GA, GY, and GZ.
Read the guide →ABA Therapy Billing
The 97151 to 97158 family in 15-minute units, authorization caps, concurrent 97153 and 97155 billing, and the HO/HN/HP modifiers.
Read the guide →Optometry & Eye Care Billing
The medical-versus-vision routing decision, why refraction 92015 is never covered, the 92133/92134 rule, and cataract co-management.
Read the guide →Podiatry Billing & Routine Foot Care
The routine foot care exclusion, the Q7/Q8/Q9 class-findings modifiers, the date-last-seen rule, and toe modifiers on nail procedures.
Read the guide →Tools that work across specialties
Answers before the denial
Can I Bill These Two Codes Together?
The code pairs billers ask about most, with the verdict and the modifier for each. Type a code to check it.
Check a pair →The 8-Minute Rule Calculator
Enter timed therapy minutes and get the correct Medicare units, with the code-by-code split.
Count the units →The Denial Code Decoder
CO-16, CO-97, PR-204 and more, in plain English with who owes the balance and the fix for each.
Decode a remit →Timely Filing Limits by Payer
The payer-by-payer deadline table, with clock-start rules and what to do when you miss one.
Open the cheat sheet →The scrubber knows your specialty's edits
Run your own claims through it for thirty days and see the modifier and coverage problems caught before submission, not after the denial.
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