95866

ActiveGlobal n/a

Needle emg hemidiaphragm

2026 Medicare payment

Estimated allowed amounts. Pick a locality or enter a ZIP; toggle modifiers to see how the payment rules change the number; add the add-on codes to price the whole procedure.

Locality

or ZIP

Show values as

Component

Modifiers

Line	Qty	Non-facility (office)	Facility (hospital/ASC)
95866Needle emg hemidiaphragm	1	$136.28	$136.28
add-on95940Ionm in operatng room 15 min	0	$26.72/ unit	$26.72/ unit
add-on95941Ionm remote/>1 pt or per hr	0	$0.00/ unit	$0.00/ unit
add-onG0453Cont intraop neuro monitor	0	$27.39/ unit	$27.39/ unit

Conversion factor: Locality: national average GPCIs

RVU breakdown (national)

Relative value units before geographic adjustment. Payment = (work×GPCI_w + PE×GPCI_pe + MP×GPCI_mp) × CF

Row	Work RVU	PE RVU (office)	PE RVU (facility)	MP RVU	Total (office)
95866-26	1.22	0.73	0.73	0.04	1.99
95866-TC	0.00	2.08	2.08	0.01	2.09
95866	1.22	2.81	2.81	0.05	4.08

Payment policy for 95866

CMS's indicator fields, translated. These control which modifiers are payable and how.

Professional/technical (PC/TC)

pctc=1

Diagnostic test

Has professional (-26) and technical (-TC) components, each priced separately.

Multiple procedures

mult_surg=0

No reduction

No multiple-procedure payment adjustment applies (typical for add-on codes).

Bilateral (modifier 50)

bilt_surg=3

Each side 100%

The usual 150% cap does not apply — each side is paid in full.

Assistant surgeon (80/81/82)

asst_surg=0

Payable with documentation

Assistant at surgery (mod 80/81/82) paid at 16% if medical necessity is documented.

Co-surgeons (modifier 62)

co_surg=0

Not permitted

Co-surgeons (mod 62) may not be paid for this procedure.

Team surgery (modifier 66)

team_surg=0

Not permitted

Team surgery (mod 66) may not be paid for this procedure.

Source: pfs.data.cms.gov "Indicators for 2026", retrieved 2026-07-16; conversion factors $33.4009 / $33.5675 (QP) per CMS-1832-F. Estimated amounts — not billing or coding advice.