CPT code library
The CPT codes chiropractors actually bill.
Not a code dump. Each guide covers what the code means in a chiropractic practice, what the note must show, the Medicare rules, a worked example, and where practices get burned, written by a practicing chiropractor whose own three location practice bills these codes daily, with citations to CMS and NCCI sources on every page.
Spinal CMT
Extraspinal CMT
| 98943 | Chiropractic manipulative treatment, extraspinal |
Supervised modality
The modifiers that decide whether it pays
| AT modifier | Active treatment modifier for Medicare CMT |
| Modifier 25 | Significant, separately identifiable E/M on the same day |
| Modifier 59 / XS | Distinct procedural service |
| GA modifier | Waiver of liability statement on file |
| GY modifier | Statutorily excluded service |
| GP modifier | Services delivered under an outpatient physical therapy plan of care |
| KX modifier | Requirements specified in the medical policy have been met |
The companion library: what happens when these codes deny
Every code above has a failure mode, and each failure mode has a CARC code on the remittance. The denial code library picks up exactly where this one leaves off: CO-97 when 97140 bundles into the adjustment, CO-50 when the AT modifier outlives active care, CO-181 when 97014 goes to a payer that wants G0283. The two libraries cross link because that is how billing actually works.
CPT is a registered trademark of the American Medical Association. Descriptions here are paraphrased; AMA publications control. General information, not coding advice for any individual claim.