What does revenue code 0022 mean for SNF PPS claims?

The rule, word for word

“SNFs and hospital swing bed providers are required to report inpatient Part A PPS billing data as follows. Refer to the Medicare Claims Processing Manual, Chapter 25, “Completing and Processing the Form CMS-1450 Data Set,” for a description of claim data elements. • In addition to the required fields identified in Chapter 25, SNFs must also report occurrence span code “70” to indicate the dates of a qualifying hospital stay of at least three consecutive days which qualifies the beneficiary for SNF services. • Separate bills are required for each Federal fiscal year for admissions that span the annual update effective date (October 1). • Use Type of Bill 21X for SNF inpatient services or 18X for hospital swing bed services. • Revenue Code 0022. This code indicates that this claim is being paid under the SNF PPS. This revenue code can appear on a claim as often as necessary to indicate different HIPPS Rate Code(s) and assessment periods. • Effective for claims with dates of service on or after January, 1 2011, there must be an occurrence code 50 (assessment date) for each assessment period represented on the claim with revenue code 0022. The date of service reported with occurrence code 50 must contain the ARD. An occurrence code 50 is not required with default HIPPS code AAAxx (where ‘xx’ equals varying digits) or ZZZZZ October 1, 2019 and after. In addition, for OMRA related [...]”

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