HCPCS codes
Place of service 42: Ambulance - Air or Water
Place of service 42 is Ambulance - Air or Water. CMS defines it as: An air or water vehicle specifically designed, equipped and staffed for lifesaving and transporting the sick or injured.
Source: CMS place of service code set file dated May 2, 2024. Read October 14, 2026. Publisher page
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- Code
- 42
- Name
- Ambulance - Air or Water
- CMS description
- An air or water vehicle specifically designed, equipped and staffed for lifesaving and transporting the sick or injured.
- Claim form
- CMS-1500 item 24B. 837P CLM05-1 (claim) or SV105 (line).
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Related place of service codes
Related pages
Questions
What is place of service 42?
Place of service 42 is Ambulance - Air or Water. CMS defines it as: An air or water vehicle specifically designed, equipped and staffed for lifesaving and transporting the sick or injured.
Where does POS 42 go on a claim?
On the CMS-1500 it goes in item 24B on each service line. On an 837P it is the facility code in CLM05-1, and a line can override it in SV105.
Who maintains place of service codes?
CMS maintains the place of service code set for professional claims. This page repeats the CMS description and does not say which code to report.
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Upload a claims export. Rivvi flags ICD-10 and HCPCS codes that are not billable, replaced, or unspecified when a specific code exists.
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