Double-Charge Detector 00104

Anesth electroshock — 337 bundling rules

If your bill lists 00104 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

337 code pairs

Updated 2026-04-03

Bundling rules — 00104

NCCI edits: these codes have billing restrictions when billed with 00104

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

Common unbundling errors — Evaluation/Management procedures

Unbundling occurs when medical providers bill separately for services that should be combined into a single charge according to National Correct Coding Initiative (NCCI) rules. In evaluation and management procedures, the most common unbundling patterns include billing basic office visit codes alongside routine procedures that are already included in the visit, such as vital signs monitoring or standard physical examinations. Another frequent error involves separately charging for brief consultations or follow-up discussions that are components of the primary E/M service. Additionally, providers sometimes incorrectly unbundle diagnostic interpretations or care coordination activities that are integral parts of the evaluation process. With 276 E/M codes subject to NCCI bundling restrictions, these errors create charges above the benchmark for patients who may be billed twice for what should constitute a single comprehensive service. Understanding these bundling rules helps identify potential differences between submitted claims and appropriate coding standards, ensuring patients receive accurate billing for their medical services.

What to check on your bill

When reviewing your medical bill for evaluation and management services, examine these key areas to identify potential bundling issues. First, check for duplicate charges by looking for multiple procedure codes on the same date that should typically be combined, such as separate charges for consultation, examination, and decision-making that occurred during one visit. Second, watch for code patterns where basic services appear alongside comprehensive codes—for example, a simple office visit code billed with a complete physical exam code for the same encounter. Third, verify that separately billed procedures include appropriate modifiers like "25" or "59," which indicate distinct services that justify separate billing. Fourth, compare charges above the benchmark for your area, as unbundled services often result in higher total costs than bundled alternatives. Review itemized statements carefully, as these billing practices can create potential differences in your final charges.

All bundling rules for 00104

337 code pairs that have billing restrictions with this procedure.

169

Never bill together

168

May bill with modifier

Code	Description	Rule
01996	Hosp manage cont drug admin	May bill with modifier
0213T	Njx paravert w/us cer/thor	May bill with modifier
0216T	Njx paravert w/us lumb/sac	May bill with modifier
0333T	Visual ep scr acuity auto	Never bill together
0464T	Visual ep test for glaucoma	Never bill together
0632T	Perq tcat us abltj nrv p-art	May bill with modifier
0708T	Id ca immntx prep & 1st njx	Never bill together
0709T	Id ca immntx each addl njx	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
31505	Diagnostic laryngoscopy	May bill with modifier
31515	Laryngoscopy for aspiration	May bill with modifier
31527	Laryngoscopy for treatment	May bill with modifier
31622	Dx bronchoscope/wash	May bill with modifier
31634	Bronch w/balloon occlusion	May bill with modifier
31645	Brnchsc w/ther aspir 1st	May bill with modifier
31647	Bronchial valve init insert	May bill with modifier
36000	Place needle in vein	May bill with modifier
36010	Place catheter in vein	Never bill together
36011	Place catheter in vein	May bill with modifier
36012	Place catheter in vein	May bill with modifier
36013	Place catheter in artery	May bill with modifier
36014	Place catheter in artery	May bill with modifier
36015	Place catheter in artery	May bill with modifier
36400	Vnpnxr<3yrs phy/qhp fem/jug	May bill with modifier
36405	Vnpnxr<3yrs phy/qhp scalp vn	May bill with modifier
36406	Vnpnxr<3yrs phy/qhp other vn	May bill with modifier
36410	Vnpnxr 3yr/> phy/qhp dx/ther	May bill with modifier
36420	Venipuncture cutdown < 1 yr	May bill with modifier
36425	Venipuncture cutdown 1 yr/>	May bill with modifier
36430	Transfusion bld/bld compnt	May bill with modifier
36440	Bld push tfuj 2 yr/<	May bill with modifier
36591	Draw blood off venous device	Never bill together
36592	Collect blood from picc	Never bill together
36600	Withdrawal of arterial blood	May bill with modifier
36640	Insertion catheter artery	May bill with modifier
43752	Nasal/orogastric w/tube plmt	May bill with modifier
43753	Tx gastro intub w/asp	May bill with modifier
43754	Dx gastr intub w/asp spec	May bill with modifier
61026	Injection into brain canal	May bill with modifier
61055	Injection into brain canal	May bill with modifier
62280	Treat spinal cord lesion	May bill with modifier
62281	Treat spinal cord lesion	May bill with modifier
62282	Treat spinal canal lesion	May bill with modifier
62284	Injection for myelogram	May bill with modifier
62320	Njx interlaminar crv/thrc	May bill with modifier
62321	Njx interlaminar crv/thrc	May bill with modifier
62322	Njx interlaminar lmbr/sac	May bill with modifier
62323	Njx interlaminar lmbr/sac	May bill with modifier

Showing 50 of 337 rules. Show all

FAQ — Evaluation/Management procedure bundling

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

NCCI (National Correct Coding Initiative) bundling means certain medical procedures and services should be billed together as one comprehensive code rather than separately. When services are 'bundled,' it indicates that one primary procedure code includes related or component services that cannot be billed individually on the same date of service.

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

Incorrect unbundling occurs when you see separate charges for services that should be included in a comprehensive E/M visit code, such as multiple office visit codes on the same date or add-on services billed separately when they're part of the primary evaluation. Review your itemized bill for multiple E/M codes on the same date or related diagnostic services that may fall under NCCI bundling restrictions.

What should I do if I find charges that appear to be incorrectly unbundled?

Contact your healthcare provider's billing department to request a detailed explanation of the separate charges and ask them to review the coding against NCCI guidelines. You can also request documentation showing why the services were billed separately and whether appropriate modifiers were used to justify the unbundling.

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

Modifiers are legitimate when services are performed at different anatomical sites, during separate patient encounters on the same day, or when procedures are truly distinct and independent from the primary service. The provider must document medical necessity and the distinct nature of the services to justify using modifiers like -25, -59, or -XS to override standard bundling rules.

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.