A7020 HCPCS Level II Code: Interface for cough stimulating device, includes all components, replacement only
HCPCS Level II code, maintained by CMS. Not a CPT code: CPT (HCPCS Level I) is a separate AMA code set that MedCoder does not publish. About HCPCS Level II
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Medicare Coverage & Payment
- CMS short descriptor: Interface, cough stim device
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Coding context
Guidelines, coding notes, decision aids, relationships (with MS-DRG and CCSR classification), hierarchy, HCC, coverage and the context map: what a coder reaches for after the core. Each section names whether it is official source data, a MedCoder-derived relationship or MedCoder editorial.
Contextual Map
Every relationship of A7020 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Nearest codes (40)
- A7000 — Canister, disposable, used with suction pump, each[Sibling]— CMS HCPCS Level II code set
- A7001 — Canister, non-disposable, used with suction pump, each[Sibling]— CMS HCPCS Level II code set
- A7002 — Tubing, used with suction pump, each[Sibling]— CMS HCPCS Level II code set
- A7003 — Administration set, with small volume nonfiltered pneumatic nebulizer, disposable[Sibling]— CMS HCPCS Level II code set
- A7004 — Small volume nonfiltered pneumatic nebulizer, disposable[Sibling]— CMS HCPCS Level II code set
- A7005 — Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable[Sibling]— CMS HCPCS Level II code set
- A7006 — Administration set, with small volume filtered pneumatic nebulizer[Sibling]— CMS HCPCS Level II code set
- A7007 — Large volume nebulizer, disposable, unfilled, used with aerosol compressor[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history
- January 1, 2011 — Added to the code set [Change history]— CMS release files (code change ledger)
Reference
Index terms and tables, published questions and FAQ, every source behind this page with its release and checksum, the date-of-service check and the complete change history.
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — October 2026 quarterly update Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder-derived relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder editorial explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 20, 2026 · All releases and sources
Labels on this page: Official source data · MedCoder-derived relationship · MedCoder editorial explanation. How to read the labels · All data sources and release dates · CMS coding rules
Cite this page
Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.
MedCoder.ai. "A7020 — Interface for cough stimulating device, includes all components, replacement only." HCPCS Level II October 2026. https://medcoder.ai/hcpcs/code/a7020-interface-for-cough-stimulating-device-includes-all-components-replacement-only
Change history
- January 1, 2011Added to the code setInterface for cough stimulating device, includes all components, replacement onlyHCPCS 2011 changes
Nearest Codes in This Family
Official HCPCS Level II classifications closest to A7020 in its code family, with their registry titles.
- A7014 — Filter, nondisposable, used with aerosol compressor or ultrasonic generator
- A7015 — Aerosol mask, used with dme nebulizer
- A7016 — Dome and mouthpiece, used with small volume ultrasonic nebulizer
- A7017 — Nebulizer, durable, glass or autoclavable plastic, bottle type, not used with oxygen
- A7018 — Water, distilled, used with large volume nebulizer, 1000 ml
- A7021 — Supplies and accessories for lung expansion airway clearance, continuous high frequency oscillation, and nebulization device (e.g., handset, nebulizer kit, biofilter)
- A7023 — Mechanical allergen particle barrier/inhalation filter, cream, nasal, topical
- A7025 — High frequency chest wall oscillation system vest, replacement for use with patient owned equipment, each
- A7026 — High frequency chest wall oscillation system hose, replacement for use with patient owned equipment, each
- A7027 — Combination oral/nasal mask, used with continuous positive airway pressure device, each