Opn imp int nstm sys vgs nrv — 233 bundling rules
If your bill lists 0908T alongside any of these codes as separate charges, it may be an unbundling error.
About the analyst
David Park researches procedure pricing and insurance reimbursement patterns at BillRazor Research. He specializes in cost comparison across care settings and metropolitan areas. Expertise: procedure pricing, insurance reimbursement, cost comparison.
Common unbundling errors — Other procedures
Unbundling occurs when medical providers bill two separate codes for services that should be combined into a single charge according to National Correct Coding Initiative (NCCI) rules. In other procedures including anesthesia, radiology, pathology, and miscellaneous support services, common unbundling patterns include separately billing diagnostic imaging with its professional interpretation when both should be included in one comprehensive code, and charging for basic monitoring or preparation services alongside the primary procedure when these components are considered integral parts of the main service. Another frequent error involves billing multiple pathology examination codes for what constitutes a single comprehensive analysis. With 809 other codes subject to bundling restrictions in the NCCI database, these errors create charges above the benchmark for patients who receive multiple bills for what should constitute one complete service. The potential difference between unbundled billing and correct coding practices can significantly impact patient financial responsibility, as they may face duplicate charges for components of care that medical coding standards define as a single billable service.
What to check on your bill
When reviewing itemized bills for procedure bundling issues, patients should examine several key areas to identify potential billing irregularities. Look for multiple procedure codes billed on the same date that represent components of a comprehensive service, such as separate charges for incision, repair, and closure when these steps are typically included in one primary procedure code. Watch for code patterns where related procedures share the same first three digits, as these often indicate services that should be bundled together under Medicare's Correct Coding Initiative. Check for appropriate modifier usage, particularly modifier 59 or XS, which legitimately allow separate billing when procedures are performed on different anatomical sites or during distinct sessions. Without proper modifiers, separately billed related procedures may represent charges above the benchmark. Compare your itemized statement against standard bundling practices for your specific procedure type to identify potential differences in billing patterns.
All bundling rules for 0908T
233 code pairs that have billing restrictions with this procedure.
| Code | Description | Rule |
|---|---|---|
| 0333T | Visual ep scr acuity auto | Never bill together |
| 0464T | Visual ep test for glaucoma | Never bill together |
| 0589T | Elec alys smpl prgrmg iins | May bill with modifier |
| 0590T | Elec alys cplx prgrmg iins | May bill with modifier |
| 0596T | Temp fml iu vlv-pmp 1st insj | May bill with modifier |
| 0597T | Temp fml iu valve-pmp rplcmt | May bill with modifier |
| 0708T | Id ca immntx prep & 1st njx | May bill with modifier |
| 0788T | Elec aly smp iins sp/sac nrv | May bill with modifier |
| 0789T | Elec aly cpx iins sp/sac nrv | May bill with modifier |
| 0909T | Rplcmt int nstim sys vgs nrv | Never bill together |
| 0910T | Rmvl int nstim sys vagus nrv | Never bill together |
| 12001 | Rpr s/n/ax/gen/trnk 2.5cm/< | May bill with modifier |
| 12002 | Rpr s/n/ax/gen/trnk2.6-7.5cm | May bill with modifier |
| 12004 | Rpr s/n/ax/gen/trk7.6-12.5cm | May bill with modifier |
| 12005 | Rpr s/n/a/gen/trk12.6-20.0cm | May bill with modifier |
| 12006 | Rpr s/n/a/gen/trk20.1-30.0cm | May bill with modifier |
| 12007 | Rpr s/n/ax/gen/trnk >30.0 cm | May bill with modifier |
| 12011 | Rpr f/e/e/n/l/m 2.5 cm/< | May bill with modifier |
| 12013 | Rpr f/e/e/n/l/m 2.6-5.0 cm | May bill with modifier |
| 12014 | Rpr f/e/e/n/l/m 5.1-7.5 cm | May bill with modifier |
| 12015 | Rpr f/e/e/n/l/m 7.6-12.5 cm | May bill with modifier |
| 12016 | Rpr fe/e/en/l/m 12.6-20.0 cm | May bill with modifier |
| 12017 | Rpr fe/e/en/l/m 20.1-30.0 cm | May bill with modifier |
| 12018 | Rpr f/e/e/n/l/m >30.0 cm | May bill with modifier |
| 12020 | Tx supfc wnd dehsn smpl clsr | May bill with modifier |
| 12021 | Tx supfc wnd dehsn w/packing | May bill with modifier |
| 12031 | Intmd rpr s/a/t/ext 2.5 cm/< | May bill with modifier |
| 12032 | Intmd rpr s/a/t/ext 2.6-7.5 | May bill with modifier |
| 12034 | Intmd rpr s/tr/ext 7.6-12.5 | May bill with modifier |
| 12035 | Intmd rpr s/a/t/ext 12.6-20 | May bill with modifier |
| 12036 | Intmd rpr s/a/t/ext 20.1-30 | May bill with modifier |
| 12037 | Intmd rpr s/tr/ext >30.0 cm | May bill with modifier |
| 12041 | Intmd rpr n-hf/genit 2.5cm/< | May bill with modifier |
| 12042 | Intmd rpr n-hf/genit2.6-7.5 | May bill with modifier |
| 12044 | Intmd rpr n-hf/genit7.6-12.5 | May bill with modifier |
| 12045 | Intmd rpr n-hf/genit12.6-20 | May bill with modifier |
| 12046 | Intmd rpr n-hf/genit20.1-30 | May bill with modifier |
| 12047 | Intmd rpr n-hf/genit >30.0cm | May bill with modifier |
| 12051 | Intmd rpr face/mm 2.5 cm/< | May bill with modifier |
| 12052 | Intmd rpr face/mm 2.6-5.0 cm | May bill with modifier |
| 12053 | Intmd rpr face/mm 5.1-7.5 cm | May bill with modifier |
| 12054 | Intmd rpr face/mm 7.6-12.5cm | May bill with modifier |
| 12055 | Intmd rpr face/mm 12.6-20 cm | May bill with modifier |
| 12056 | Intmd rpr face/mm 20.1-30.0 | May bill with modifier |
| 12057 | Intmd rpr face/mm >30.0 cm | May bill with modifier |
| 13100 | Cmplx rpr trunk 1.1-2.5 cm | May bill with modifier |
| 13101 | Cmplx rpr trunk 2.6-7.5 cm | May bill with modifier |
| 13120 | Cmplx rpr s/a/l 1.1-2.5 cm | May bill with modifier |
| 13121 | Cmplx rpr s/a/l 2.6-7.5 cm | May bill with modifier |
| 13131 | Cmplx rpr f/c/c/m/n/ax/g/h/f | May bill with modifier |
Showing 50 of 233 rules. Show all
FAQ — Other procedure bundling
What is NCCI bundling and what does 'bundled' mean on a medical bill?
How can I identify if codes were incorrectly unbundled on my bill?
What should I do if I find unbundled charges on my medical bill?
When is it legitimate to use modifiers to override NCCI bundling rules?
Data source: CMS National Correct Coding Initiative (NCCI) Procedure-to-Procedure (PTP) edits, updated quarterly. These code pairs are maintained by CMS to prevent improper billing of services that should be billed as a single procedure.
What this means: When two codes are listed as an NCCI edit pair, billing them separately on the same date of service is typically incorrect. "Never bill together" means no modifier can override the rule. "May bill with modifier" means the codes can be billed separately with appropriate documentation.