HCPCS codes

Place of service 07: Tribal 638 Free-standing Facility

Place of service 07 is Tribal 638 Free-standing Facility. CMS defines it as: A facility or location owned and operated by a federally recognized American Indian or Alaska Native tribe or tribal organization under a 638 agreement, which provides diagnostic, therapeutic (surgical and non-surgical), and rehabilitation services to tribal members who do not require hospitalization.

Source: CMS place of service code set file dated May 2, 2024. Read October 14, 2026. Publisher page

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Code
07
Name
Tribal 638 Free-standing Facility
CMS description
A facility or location owned and operated by a federally recognized American Indian or Alaska Native tribe or tribal organization under a 638 agreement, which provides diagnostic, therapeutic (surgical and non-surgical), and rehabilitation services to tribal members who do not require hospitalization. (Effective January 1, 2003)
Claim form
CMS-1500 item 24B. 837P CLM05-1 (claim) or SV105 (line).

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Questions

What is place of service 07?

Place of service 07 is Tribal 638 Free-standing Facility. CMS defines it as: A facility or location owned and operated by a federally recognized American Indian or Alaska Native tribe or tribal organization under a 638 agreement, which provides diagnostic, therapeutic (surgical and non-surgical), and rehabilitation services to tribal members who do not require hospitalization.

Where does POS 07 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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