S9999 is the authoritative medical code for Sales tax. This classification is used in medical billing and clinical recording to specify the clinical criteria for sales tax (HCPCS Level II S9999), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: Processed within HCPCS Level II standards. CMS regulatory guidelines apply.
Official Registry Overview & Definition
Sales tax is a HCPCS Level II code S9999 for a Medicare-covered supply, service, or procedure.
Codes in This Family (18)
Official HCPCS Level II classifications in the same code family as S9999, with their registry titles.
- S9900 — Services by a journal-listed christian science practitioner for the purpose of healing, per diem
- S9901 — Services by a journal-listed christian science nurse, per hour
- S9960 — Ambulance service, conventional air service, nonemergency transport, one way (fixed wing)
- S9961 — Ambulance service, conventional air service, nonemergency transport, one way (rotary wing)
- S9970 — Health club membership, annual
- S9975 — Transplant related lodging, meals and transportation, per diem
- S9976 — Lodging, per diem, not otherwise classified
- S9977 — Meals, per diem, not otherwise specified
- S9981 — Medical records copying fee, administrative
- S9982 — Medical records copying fee, per page
- S9986 — Not medically necessary service (patient is aware that service not medically necessary)
- S9988 — Services provided as part of a phase i clinical trial
- S9989 — Services provided outside of the united states of america (list in addition to code(s) for service(s))
- S9990 — Services provided as part of a phase ii clinical trial
- S9991 — Services provided as part of a phase iii clinical trial
- S9992 — Transportation costs to and from trial location and local transportation costs (e.g., fares for taxicab or bus) for clinical trial participant and one caregiver/companion
- S9994 — Lodging costs (e.g., hotel charges) for clinical trial participant and one caregiver/companion
- S9996 — Meals for clinical trial participant and one caregiver/companion
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
HCPCS Code S9994
Lodging costs (e.g., hotel charges) for clinical trial participant and one caregiver/companion
HCPCS Code S9996
Meals for clinical trial participant and one caregiver/companion