Double-Charge Detector 0522T

Prgrmg dev eval wcs ip — 47 bundling rules

If your bill lists 0522T alongside any of these codes as separate charges, it may be an unbundling error.

By Michael Glenn , Healthcare Data Analyst · Published March 15, 2026 · Updated April 3, 2026

About the analyst

Michael Glenn reviews CMS datasets and drug pricing at BillRazor Research. He focuses on NADAC acquisition costs and procedure coding accuracy. Expertise: drug pricing, NADAC data, CPT coding.

NCCI edit data

47 code pairs

Updated 2026-04-03

Bundling rules — 0522T

NCCI edits: these codes have billing restrictions when billed with 0522T

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

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 0522T

47 code pairs that have billing restrictions with this procedure.

Never bill together

May bill with modifier

Code	Description	Rule
0521T	Interrog dev eval wcs ip	May bill with modifier
0576T	Interrog dev eval icds ss ip	May bill with modifier
0650T	Prgrmg dev eval scrms remote	May bill with modifier
0861T	Rmvl pg wcs lv both compnt	Never bill together
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
36591	Draw blood off venous device	Never bill together
36592	Collect blood from picc	Never bill together
76018	Mr safety implant elec prepj	May bill with modifier
93000	Electrocardiogram complete	May bill with modifier
93005	Electrocardiogram tracing	May bill with modifier
93010	Electrocardiogram report	May bill with modifier
93040	Rhythm ecg with report	May bill with modifier
93041	Rhythm ecg tracing	May bill with modifier
93042	Rhythm ecg report	May bill with modifier
93224	Xtrnl ecg rec up to 48 hrs	May bill with modifier
93225	Xtrnl ecg rec<48 hrs rec	May bill with modifier
93226	Xtrnl ecg rec<48 hr scan a/r	May bill with modifier
93227	Xtrnl ecg rec<48 hr r&i	May bill with modifier
93228	Remote 30 day ecg rev/report	May bill with modifier
93229	Remote 30 day ecg tech supp	May bill with modifier
93241	Xtrnl ecg rec>48hr<7d	May bill with modifier
93242	Ext ecg>48hr<7d recording	May bill with modifier
93243	Ext ecg>48hr<7d scan a/r	May bill with modifier
93244	Ext ecg>48hr<7d rev&interpj	May bill with modifier
93245	Ext ecg>7d<15d rec scan a/r	May bill with modifier
93246	Ext ecg>7d<15d recording	May bill with modifier
93247	Ext ecg>7d<15d scan a/r	May bill with modifier
93248	Ext ecg>7d<15d rev&interpj	May bill with modifier
93261	Interrogate subq defib	May bill with modifier
93268	Ecg record/review	Never bill together
93270	Remote 30 day ecg rev/report	Never bill together
93271	Ecg/monitoring and analysis	Never bill together
93272	Ecg/review interpret only	Never bill together
93285	Prgrmg dev eval scrms ip	May bill with modifier
93286	Peri-px eval pm/ldls pm ip	May bill with modifier
93287	Peri-px device eval & prgr	May bill with modifier
93288	Interrog evl pm/ldls pm ip	May bill with modifier
93289	Interrog device eval heart	May bill with modifier
93291	Interrog dev eval scrms ip	May bill with modifier
93745	Set-up cardiovert-defibrill	May bill with modifier
96523	Irrig drug delivery device	Never bill together
99446	Ntrprof ph1/ntrnet/ehr 5-10	Never bill together
99447	Ntrprof ph1/ntrnet/ehr 11-20	Never bill together
99448	Ntrprof ph1/ntrnet/ehr 21-30	Never bill together
99449	Ntrprof ph1/ntrnet/ehr 31/>	Never bill together

FAQ — Other procedure bundling

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

NCCI bundling refers to the National Correct Coding Initiative rules that prevent certain procedure codes from being billed separately when performed together. When codes are bundled, one procedure is considered inclusive of another, meaning only the primary procedure should be billed rather than charging for each component separately.

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

Incorrectly unbundled codes appear as separate line items on your bill when NCCI rules indicate they should be grouped together under one primary procedure code. This typically occurs with anesthesia, radiology, pathology, and miscellaneous support services that are considered integral to the main procedure being performed.

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

Contact your healthcare provider's billing department to request a review of the charges and provide documentation showing the NCCI bundling rules that apply. Request an itemized explanation of why the codes were billed separately and ask for a corrected bill that reflects proper bundling if no valid modifier justification exists.

When is it legitimate to use modifiers to override NCCI bundling rules?

Modifiers are appropriately used when procedures are performed on different anatomical sites, during separate patient encounters, or when distinct procedural services are provided that don't fall under the bundling restrictions. The modifier usage must be supported by clear documentation in the medical record that demonstrates the services were truly separate and distinct from the bundled procedure.

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.