Under CMS 42 CFR § 414.610, ground ambulance services require precise level-of-service selection (BLS, ALS1, ALS2, SCT), mandatory 2-character origin and destination modifier pairs (e.g. SH, RH, NH), and statutory rural mileage multipliers. Calculate your Medicare allowable reimbursement and generate audit-ready ANSI X12 837P Loop 2400 CR1 segments.
CMS 42 CFR § 414.610 Ground Mileage & Level of Service
Advanced assessment, cardiac monitoring, IV initiation, or single ALS medication.
Loaded statute miles with patient on board (A0425)
Designated under CMS ZIP Code urban/rural mapping
Modifiers SH properly describe transport from Scene of Accident / Acute Event to Hospital / Emergency Department.
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