Specialty Billing Cheat Sheets
One-screen 2026 references built by AAPC-certified coders. For each specialty: the codes that drive revenue, the modifiers that stop denials, the NCCI traps, and the documentation that wins appeals.
Cardiology Billing Cheat Sheet
2026 cardiology billing quick reference. Top CPT codes with Medicare allowables, the modifiers that prevent bundling denials, NCCI traps, and the documentation that holds up on appeal.
Open cheat sheetMental Health Billing Cheat Sheet
2026 mental health billing quick reference. Psychotherapy time codes with Medicare allowables, the time-documentation rules that survive audit, telehealth and parity modifiers, and top denial fixes.
Open cheat sheetInternal Medicine Billing Cheat Sheet
2026 internal medicine billing quick reference. E/M levels, CCM and TCM time rules, G2211 and AWV codes with Medicare allowables, and the documentation that prevents downcodes.
Open cheat sheetEmergency Room Billing Cheat Sheet
2026 emergency department billing quick reference. 99281 to 99285 leveling, critical care 99291 and 99292 time rules, procedure modifiers, and the documentation that defends high-acuity claims.
Open cheat sheetDermatology Billing Cheat Sheet
2026 dermatology billing quick reference. Biopsy versus destruction versus excision coding, lesion-count rules, Mohs staging, modifier 25, and the documentation that proves medical necessity.
Open cheat sheetPain Management Billing Cheat Sheet
2026 pain management billing quick reference. Facet, epidural, and RFA coding by level, fluoroscopic guidance rules, frequency limits, prior-auth traps, and bilateral modifier use.
Open cheat sheetFamily Practice Billing Cheat Sheet
2026 family practice billing quick reference. Age-based preventive codes, the split preventive and problem visit with modifier 25, vaccine administration, and E/M documentation.
Open cheat sheetUrgent Care Billing Cheat Sheet
2026 urgent care billing quick reference. E/M leveling for high walk-in volume, modifier 25 on same-day procedures, place of service, and the denials that come from speed.
Open cheat sheetOB/GYN Billing Cheat Sheet
2026 OB/GYN billing quick reference. The global obstetric package, antepartum and postpartum splits, ultrasound necessity, colposcopy rules, and surgical modifiers.
Open cheat sheetOrthopedics Billing Cheat Sheet
2026 orthopedic billing quick reference. 90-day surgical globals, joint injection coding with and without ultrasound guidance, X-ray professional splits, and the modifiers that protect them.
Open cheat sheetBehavioral Health Billing Cheat Sheet
2026 behavioral health billing quick reference. Psychotherapy time codes, psychological testing units, the E/M plus add-on rule, parity appeals, and telehealth modifiers.
Open cheat sheetGastroenterology Billing Cheat Sheet
2026 gastroenterology billing quick reference. Screening versus diagnostic colonoscopy, the modifier PT and 33 rules, polyp and biopsy coding, and anesthesia billing.
Open cheat sheetPodiatry Billing Cheat Sheet
2026 podiatry billing quick reference. The Medicare routine foot care exclusion, Q modifiers and class findings, nail and callus debridement, and surgical foot coding.
Open cheat sheetPhysical Therapy Billing Cheat Sheet
2026 physical therapy billing quick reference. The 8-minute rule for timed codes, modifier 59 and the KX threshold, evaluation complexity levels, and plan-of-care rules.
Open cheat sheetChiropractic Billing Cheat Sheet
2026 chiropractic billing quick reference. The AT modifier and active versus maintenance care, CMT region counts, what Medicare does and does not cover, and modifier 25.
Open cheat sheetNeurology Billing Cheat Sheet
2026 neurology billing quick reference. Nerve conduction and EMG unit rules, EEG and the professional split, E/M with same-day testing, and prolonged services.
Open cheat sheetOncology Billing Cheat Sheet
2026 oncology billing quick reference. The chemotherapy and infusion administration hierarchy, J-code drug units and wastage, hydration bundling, and same-day E/M.
Open cheat sheetRadiology Billing Cheat Sheet
2026 radiology billing quick reference. The professional and technical split, screening versus diagnostic mammography, contrast documentation, and repeat-study modifiers.
Open cheat sheetOphthalmology Billing Cheat Sheet
2026 ophthalmology billing quick reference. Eye visit codes versus E/M, cataract surgery global, intravitreal injection plus the drug, OCT frequency, and laterality modifiers.
Open cheat sheetUrology Billing Cheat Sheet
2026 urology billing quick reference. Cystoscopy variant coding, bilateral and multi-procedure modifiers, surgical globals, and urodynamic medical necessity.
Open cheat sheetENT Billing Cheat Sheet
2026 ENT billing quick reference. Nasal endoscopy and debridement coding, bilateral modifiers, audiometry component rules, cerumen removal, and surgical globals.
Open cheat sheetNephrology Billing Cheat Sheet
2026 nephrology billing quick reference. The monthly ESRD capitation by visit count and age, inpatient dialysis codes, vascular access, and same-day E/M rules.
Open cheat sheetAnesthesiology Billing Cheat Sheet
2026 anesthesia billing quick reference. Base plus time units, medical direction modifiers, physical status, labor epidural, and qualifying circumstances.
Open cheat sheetSleep Medicine Billing Cheat Sheet
2026 sleep medicine billing quick reference. Attended polysomnography versus home sleep testing, CPAP titration and split-night rules, prior auth, and medical necessity.
Open cheat sheetAllergy and Immunology Billing Cheat Sheet
2026 allergy and immunology billing quick reference. Allergy testing unit counts, the immunotherapy injection versus antigen-prep split, the E/M-with-injection rule, and spirometry.
Open cheat sheetABA Therapy Billing Cheat Sheet
2026 ABA therapy billing quick reference. The 15-minute treatment units, who can render which code, supervision overlap rules, and prior authorization discipline.
Open cheat sheetDME Billing Cheat Sheet
2026 durable medical equipment billing quick reference. The KX, GA, GZ, GY modifiers, the standard written order, face-to-face documentation, and rental versus purchase.
Open cheat sheetTelehealth Billing Cheat Sheet
2026 telehealth billing quick reference. Place of service 10 versus 02, modifier 95 versus 93, e-visit and RPM rules, and audio-only policy.
Open cheat sheetHome Health Billing Cheat Sheet
2026 home health billing quick reference. Physician certification and the face-to-face encounter, the plan of care, home visit codes, and care plan oversight.
Open cheat sheetSkilled Nursing Facility Billing Cheat Sheet
2026 skilled nursing facility billing quick reference. Initial and subsequent visit levels, required versus medically necessary visit frequency, place of service, and discharge.
Open cheat sheetWound Care Billing Cheat Sheet
2026 wound care billing quick reference. Debridement by depth and surface area, selective versus excisional, skin substitute grafts plus the product, and compression.
Open cheat sheetLaboratory Billing Cheat Sheet
2026 laboratory and pathology billing quick reference. The professional and technical split, special stain and immunohistochemistry units, medical necessity, and ABN rules.
Open cheat sheetAmbulatory Surgical Center Billing Cheat Sheet
2026 ambulatory surgical center billing quick reference. The ASC facility fee, the covered procedures list, multiple-procedure discounting, implants, and discontinued-procedure modifiers.
Open cheat sheetSubstance Abuse Billing Cheat Sheet
2026 substance use disorder billing quick reference. SBIRT screening codes, the MAT and OUD bundle, state H-codes, 42 CFR Part 2 confidentiality, and parity appeals.
Open cheat sheetPediatric Billing Cheat Sheet
2026 pediatric billing quick reference. Age-based well-child codes, the VFC vaccine administration rule, modifier 25 on sick-plus-well visits, and developmental screening.
Open cheat sheetPharmacy Billing Cheat Sheet
2026 pharmacy medical billing quick reference. Medication therapy management time codes, vaccine administration, infusion, scope-of-practice limits, and incident-to rules.
Open cheat sheetMore specialties are being added. Each sheet is built from the live 2026 fee schedule and NCCI data, not a template.
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