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64840 Repair of leg nerve

What 64840 is

CMS fee schedule short descriptor: Repair of leg nerve.

Full CPT long descriptions are licensed by the American Medical Association and are not published on this site; the short descriptor above is the one CMS prints in its own fee schedule file. See About CPT.

Medicare payment for 64840 (CY2026)

Work RVUPractice expense RVUMalpractice RVUTotalMedicare rate
Non-facility (office)13.679.912.9126.49$884.79
Facility (hospital, ASC)13.679.912.9126.49$884.79

National rates: total RVUs x the CY2026 conversion factor of 33.4009 (non-QP), before geographic adjustment. Actual Medicare payment is 80% of the rate shown after the deductible; the patient or secondary payer owes the 20% coinsurance.


Status: Active - payable under the Physician Fee Schedule. Global period: 90-day global period.

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Medically Unlikely Edit (MUE)

Medicare caps 64840 at 1 unit per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: CMS Policy. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 64840? These codes are bundled into it

64840 is a Column 1 code in 270 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.

Column 2 codeShort descriptionModifier indicator
01250Anes all px nrv musc upr leg0 - no modifier bypassCheck pair
01320Anes all px nrv msc kne&/pop0 - no modifier bypassCheck pair
01470Anes px nrv msc lw l/a/f nos0 - no modifier bypassCheck pair
01610Anes all px nrv musc sho&ax0 - no modifier bypassCheck pair
01710Anes px nrv musc upr a&e nos0 - no modifier bypassCheck pair
01782Anes vn upr arm&elbw phlbrpy0 - no modifier bypassCheck pair
01810Anes px nrv musc f/arm wrst0 - no modifier bypassCheck pair
0213TNjx paravert w/us cer/thor0 - no modifier bypassCheck pair
0216TNjx paravert w/us lumb/sac0 - no modifier bypassCheck pair
0333TVisual ep scr acuity auto0 - no modifier bypassCheck pair
0464TVisual ep test for glaucoma0 - no modifier bypassCheck pair
0490TRegn cell tx scldr h mlt inj1 - modifier may bypassCheck pair
0596TTemp fml iu vlv-pmp 1st insj1 - modifier may bypassCheck pair
0597TTemp fml iu valve-pmp rplcmt1 - modifier may bypassCheck pair
0708TId ca immntx prep & 1st njx1 - modifier may bypassCheck pair
0709TId ca immntx each addl njx1 - modifier may bypassCheck pair
0718TAdrc ther prtl rc tear njx1 - modifier may bypassCheck pair
0903TEcg alg 12 lead reduced i&r1 - modifier may bypassCheck pair
0904TEcg alg 12 ld rdcd trcg only1 - modifier may bypassCheck pair
0905TEcg alg 12 ld rdcd i&r only1 - modifier may bypassCheck pair
12001Rpr s/n/ax/gen/trnk 2.5cm/<1 - modifier may bypassCheck pair
12002Rpr s/n/ax/gen/trnk2.6-7.5cm1 - modifier may bypassCheck pair
12004Rpr s/n/ax/gen/trk7.6-12.5cm1 - modifier may bypassCheck pair
12005Rpr s/n/a/gen/trk12.6-20.0cm1 - modifier may bypassCheck pair
12006Rpr s/n/a/gen/trk20.1-30.0cm1 - modifier may bypassCheck pair
12007Rpr s/n/ax/gen/trnk >30.0 cm1 - modifier may bypassCheck pair
12011Rpr f/e/e/n/l/m 2.5 cm/<1 - modifier may bypassCheck pair
12013Rpr f/e/e/n/l/m 2.6-5.0 cm1 - modifier may bypassCheck pair
12014Rpr f/e/e/n/l/m 5.1-7.5 cm1 - modifier may bypassCheck pair
12015Rpr f/e/e/n/l/m 7.6-12.5 cm1 - modifier may bypassCheck pair

Showing 30 of 270 column 2 codes. Use the pair checker for any specific combination.

64840 is bundled into these codes

64840 appears as a Column 2 code in 19 active edits. Reported with one of these Column 1 codes on the same date of service, 64840 is the code that denies.

Column 1 codeShort descriptionModifier indicator
63005Remove spine lamina 1/2 lmbr1Check pair
63012Remove lamina/facets lumbar1Check pair
63017Remove spine lamina >2 lmbr1Check pair
63042Laminotomy single lumbar1Check pair
63047Lam facetec & foramot lumbar1Check pair
64890Nrv grf 1strnd hnd/foot <4cm1Check pair
64891Nrv grf 1strnd hnd/foot >4cm1Check pair
64892Nrv grf 1strnd arm/leg <4cm1Check pair
64893Nrv grf 1strnd arm/leg >4 cm1Check pair
64895Nrv grf mltst hnd/foot <4 cm1Check pair
64896Nrv grf mltst hnd/foot >4 cm1Check pair
64897Nrv grf mltst arm/leg <4 cm1Check pair
64898Nrv grf mltst arm/leg >4 cm1Check pair
64905Nerve pedicle transfer1Check pair
64907Nerve pedicle transfer1Check pair

Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.