Double-Charge Detector 11042

Dbrdmt subq tis 1st 20sqcm/< — 266 bundling rules

If your bill lists 11042 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

266 code pairs

Updated 2026-04-03

Bundling rules — 11042

NCCI edits: these codes have billing restrictions when billed with 11042

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 11042

266 code pairs that have billing restrictions with this procedure.

Never bill together

200

May bill with modifier

Code	Description	Rule
0213T	Njx paravert w/us cer/thor	Never bill together
0216T	Njx paravert w/us lumb/sac	Never bill together
0552T	Low-level laser therapy	May bill with modifier
0903T	Ecg alg 12 lead reduced i&r	May bill with modifier
0904T	Ecg alg 12 ld rdcd trcg only	May bill with modifier
0905T	Ecg alg 12 ld rdcd i&r only	May bill with modifier
0925T	Rlcj skin pocket ccm-d pg	Never bill together
10030	Img gid flu coll drg sft tis	May bill with modifier
10060	I&d abscess simple/single	May bill with modifier
11000	Dbrdmt ecz/infected skin<10%	May bill with modifier
11008	Rmv prstc mtrl/mesh abd wall	May bill with modifier
11010	Debride skin at fx site	May bill with modifier
11011	Debride skin musc at fx site	May bill with modifier
11719	Trim nail(s) any number	May bill with modifier
11720	Debride nail 1-5	May bill with modifier
11721	Debride nail 6 or more	May bill with modifier
12007	Rpr s/n/ax/gen/trnk >30.0 cm	May bill with modifier
12014	Rpr f/e/e/n/l/m 5.1-7.5 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
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
12044	Intmd rpr n-hf/genit7.6-12.5	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
12053	Intmd rpr face/mm 5.1-7.5 cm	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
13102	Cmplx rpr trunk addl 5cm/<	May bill with modifier
13122	Cmplx rpr s/a/l addl 5 cm/>	May bill with modifier
13133	Cmplx rpr f/c/c/m/n/ax/g/h/f	May bill with modifier
13153	Cmplx rpr e/n/e/l addl 5cm/<	May bill with modifier
15852	Dressing change not for burn	May bill with modifier
17000	Destruct premalg lesion	May bill with modifier
17250	Chem caut of granltj tissue	May bill with modifier
20526	Ther injection carp tunnel	May bill with modifier
20552	Inj trigger point 1/2 muscl	May bill with modifier
20553	Inject trigger points 3/>	May bill with modifier
20560	Ndl insj w/o njx 1 or 2 musc	May bill with modifier
20561	Ndl insj w/o njx 3+ musc	May bill with modifier
24300	Mnpj elbow under anes	May bill with modifier
25259	Manipulate wrist w/anesthes	May bill with modifier
26340	Manipulate finger w/anesth	May bill with modifier
29000	Application of body cast	May bill with modifier
29010	Application of body cast	May bill with modifier
29015	Application of body cast	May bill with modifier
29035	Application of body cast	May bill with modifier

Showing 50 of 266 rules. Show all

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.