Double-Charge Detector 10008

Fna bx w/fluor gdn ea addl — 45 bundling rules

If your bill lists 10008 alongside any of these codes as separate charges, it may be an unbundling error.

By David Park , Healthcare Cost Researcher · Published March 15, 2026 · Updated April 3, 2026

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.

NCCI edit data

45 code pairs

Updated 2026-04-03

Bundling rules — 10008

NCCI edits: these codes have billing restrictions when billed with 10008

Research suggests 49–80% of hospital bills contain errors. Our system checks every line item against Medicare benchmarks.

Common unbundling errors — Surgery procedures

Unbundling occurs when hospitals bill component steps of a surgical procedure separately instead of using the appropriate comprehensive code that covers the entire operation. The NCCI database contains 1,142 surgery codes with bundling restrictions to prevent this practice. Common unbundling patterns include separately billing for surgical approach and closure when these are integral components of the main procedure, and charging for routine preparation steps like positioning or draping that are already included in the primary surgical code. Another frequent error involves billing separately for minor procedures performed during the same operative session that should be considered incidental to the major surgery. These billing practices result in charges above the benchmark for what should constitute a single surgical service. Patients may face potential differences in their financial responsibility when component procedures are unbundled rather than appropriately consolidated under comprehensive surgical codes. Understanding these bundling rules helps ensure accurate billing that reflects the actual scope of surgical services provided during a single operative encounter.

What to check on your bill

When reviewing surgery bills, patients should examine itemized charges for potential unbundling issues. Look for multiple procedure codes billed separately when they should be bundled together under standard billing practices. Watch for code patterns where a primary procedure appears alongside related minor procedures without appropriate modifiers - for example, seeing separate charges for incision, repair, and closure that typically comprise one surgical package. Check that modifier codes like -59 or -25 are present when separate procedures are legitimately billed, as these indicate the charges meet specific criteria for separate billing. Verify that pre-operative and post-operative care aren't billed separately from the main procedure unless clearly documented as distinct services. Compare your itemized statement against the original procedure authorization to identify any charges above the benchmark for your specific surgery type, noting potential differences between bundled and unbundled billing approaches.

All bundling rules for 10008

45 code pairs that have billing restrictions with this procedure.

Never bill together

May bill with modifier

Code	Description	Rule
0213T	Njx paravert w/us cer/thor	May bill with modifier
0216T	Njx paravert w/us lumb/sac	May bill with modifier
10004	Fna bx w/o img gdn ea addl	May bill with modifier
10021	Fna bx w/o img gdn 1st les	May bill with modifier
10035	Plmt sft tiss loclzj dev 1st	May bill with modifier
19281	Perq device breast 1st imag	May bill with modifier
19283	Perq dev breast 1st strtctc	May bill with modifier
19285	Perq dev breast 1st us imag	May bill with modifier
19287	Perq dev breast 1st mr guide	May bill with modifier
36000	Place needle in vein	May bill with modifier
36410	Vnpnxr 3yr/> phy/qhp dx/ther	May bill with modifier
36591	Draw blood off venous device	Never bill together
36592	Collect blood from picc	Never bill together
61650	Evasc prlng admn rx agnt 1st	May bill with modifier
62324	Njx interlaminar crv/thrc	May bill with modifier
62325	Njx interlaminar crv/thrc	May bill with modifier
62326	Njx interlaminar lmbr/sac	May bill with modifier
62327	Njx interlaminar lmbr/sac	May bill with modifier
64415	Njx aa&/strd brch plxs img	May bill with modifier
64416	Njx aa&/strd brch pl nfs img	May bill with modifier
64417	Njx aa&/strd ax nerve img	May bill with modifier
64450	Njx aa&/strd other pn/branch	May bill with modifier
64454	Njx aa&/strd gnclr nrv brnch	May bill with modifier
64486	Tap block unil by injection	May bill with modifier
64487	Tap block uni by infusion	May bill with modifier
64488	Tap block bi injection	May bill with modifier
64489	Tap block bi by infusion	May bill with modifier
64490	Inj paravert f jnt c/t 1 lev	May bill with modifier
64493	Inj paravert f jnt l/s 1 lev	May bill with modifier
76000	Fluoroscopy <1 hr phys/qhp	May bill with modifier
76380	Cat scan follow-up study	May bill with modifier
76942	Echo guide for biopsy	May bill with modifier
76998	Us guide intraop	May bill with modifier
77001	Fluoroguide for vein device	May bill with modifier
77002	Needle localization by xray	May bill with modifier
77012	Ct scan for needle biopsy	May bill with modifier
77021	Mri guidance ndl plmt rs&i	May bill with modifier
96360	Hydration iv infusion init	May bill with modifier
96365	Ther/proph/diag iv inf init	May bill with modifier
96372	Ther/proph/diag inj sc/im	May bill with modifier
96374	Ther/proph/diag inj iv push	May bill with modifier
96375	Tx/pro/dx inj new drug addon	May bill with modifier
96376	Tx/pro/dx inj same drug adon	May bill with modifier
96377	Applicaton on-body injector	May bill with modifier
96523	Irrig drug delivery device	Never bill together

FAQ — Surgery procedure bundling

What is NCCI bundling and what does 'bundled' mean on a medical bill?

NCCI bundling refers to Medicare's National Correct Coding Initiative rules that require certain surgical procedure codes to be billed together as a single comprehensive service rather than as separate line items. When procedures are 'bundled,' component steps of a surgery are included in one primary procedure code instead of being billed individually, which reflects the standard of care for that operation.

How can I determine if surgical codes were incorrectly unbundled on my bill?

Incorrect unbundling occurs when a hospital bills separate codes for surgical steps that should be included in one comprehensive procedure code according to NCCI rules. You can identify potential unbundling by looking for multiple surgical codes billed on the same date that represent component parts of a single operation, particularly among the 1,142 codes with known bundling restrictions.

What should I do if I find unbundled charges on my medical bill?

If you identify potentially unbundled charges, contact your hospital's billing department to request a review of the coding and ask them to verify compliance with NCCI bundling rules. You can also work with your insurance company's medical review team or consult with a medical billing advocate to analyze the charges against established bundling requirements.

When is it legitimate for hospitals to use modifiers to bypass bundling rules?

Modifiers can legitimately bypass bundling rules when surgical procedures are performed on different anatomical sites, during separate patient encounters, or when clinical circumstances genuinely require distinct procedures beyond the standard bundled service. However, modifier usage must be supported by medical documentation that demonstrates the procedures were truly separate and distinct from the bundled service.

Rates shown are from the 2026 Medicare Physician Fee Schedule and CMS IPPS. BillRazor compares your bill against these data sources. See how it works →

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.