K22.0: Achalasia of cardia
K22.0, achalasia of cardia, is listed as a covered diagnosis in 14 Medicare billing and coding articles that apply to 6 HCPCS Level II codes, including J0585 (Injection, onabotulinumtoxina, 1 unit), J0588 (Injection, incobotulinumtoxin a, 1 unit), J0586 (Injection, abobotulinumtoxina, 5 units). The articles come from 7 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with K22.0 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| J0585 | Injection, onabotulinumtoxina, 1 unit | Special coverage instructions apply | — | 9 |
| J0588 | Injection, incobotulinumtoxin a, 1 unit | Carrier judgment | — | 8 |
| J0586 | Injection, abobotulinumtoxina, 5 units | Carrier judgment | — | 8 |
| J0587 | Injection, rimabotulinumtoxinb, 100 units | Special coverage instructions apply | — | 8 |
| J0589 | Injection, daxibotulinumtoxina-lanm, 1 unit | Carrier judgment | — | 8 |
| G0255 | Current perception threshold/sensory nerve conduction test, (snct) per limb, any nerve | Non-covered by Medicare | Not covered | 5 |
Medicare policy articles listing K22.0
- A57715: Billing and Coding: Botulinum Toxins (First Coast Service Options, Inc. (MAC - Part A, MAC - Part B); 5 Level II codes). LCD with the same title: L33274, L38809
- A58423: Billing and Coding: Botulinum Toxins (Novitas Solutions, Inc. (MAC - Part A, MAC - Part B); 5 Level II codes). LCD with the same title: L33274, L38809
- A57185: Billing and Coding: Botulinum Toxin Injections (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 5 Level II codes). LCD with the same title: L35170, L35172, L39832, L39836
- A57186: Billing and Coding: Botulinum Toxin Injections (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 5 Level II codes). LCD with the same title: L35170, L35172, L39832, L39836
- A59707: Billing and Coding: Botulinum Toxin Injections (Wellpoint Federal (MAC - Part A, MAC - Part B); 5 Level II codes). LCD with the same title: L35170, L35172, L39832, L39836
- A59714: Billing and Coding: Botulinum Toxin Injections (Palmetto GBA (MAC - Part A, MAC - Part B); 5 Level II codes). LCD with the same title: L35170, L35172, L39832, L39836
- A59726: Billing and Coding: Botulinum Toxins Injections (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 5 Level II codes)
- A59809: Billing and Coding: Botulinum Toxin Injections (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 5 Level II codes). LCD with the same title: L35170, L35172, L39832, L39836
- A56389: Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization (Palmetto GBA (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34434
- A57307: Billing and Coding: Nerve Conduction Studies and Electromyography (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
- A57478: Billing and Coding: Nerve Conduction Studies and Electromyography (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
- A54969: Billing and Coding: Nerve Conduction Studies and Electromyography (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
- A57668: Billing and Coding: Nerve Conduction Studies and Electromyography (Wellpoint Federal (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
- A56619: Billing and Coding: Nerve Conduction Studies and Electromyography (Palmetto GBA (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34594, L34859, L35048, L35081
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Frequently asked questions
Does Medicare cover K22.0 (Achalasia of cardia)?
Medicare covers items and services, not diagnoses. 14 Medicare billing and coding articles list K22.0 as a covered diagnosis for 6 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 K22.0?
The Level II codes from the policies most specific to this diagnosis are J0585 (Injection, onabotulinumtoxina, 1 unit, 9 articles); J0588 (Injection, incobotulinumtoxin a, 1 unit, 8 articles); J0586 (Injection, abobotulinumtoxina, 5 units, 8 articles); J0587 (Injection, rimabotulinumtoxinb, 100 units, 8 articles); J0589 (Injection, daxibotulinumtoxina-lanm, 1 unit, 8 articles). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list K22.0?
A57715 (Billing and Coding: Botulinum Toxins); A58423 (Billing and Coding: Botulinum Toxins); A57185 (Billing and Coding: Botulinum Toxin Injections), and 11 more articles.
What is ICD-10-CM code K22.0?
K22.0 is the ICD-10-CM code for achalasia of cardia, in category K22 (Other diseases of esophagus), chapter 11: Diseases of the digestive system.
Next steps
- Run a reimbursement report for a device billed under J0585
- Watch J0585 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J0585
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 11: Diseases of the digestive system · All diagnoses · HCPCS lookup