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Billing code 22632: Lumbar fusionMedicare rate & RVUs

Reports each additional lumbar interspace fused using a posterior interbody technique during a multilevel lumbar fusion, beyond the first interspace.

CMS RVU26DEffective Oct 1, 2026109 payment localities1.9K Medicare services in 2024

Medicare pays $287.58 for 22632 nationally in a facility.

Medicare rate · 22632

Lumbar fusion

Swap in your local Medicare rate.

Work RVUs
5.09
Total RVUs
8.61
Global days
ZZZ

National rate · 2026

$287.58

Facility setting, before claim adjustments.

See every locality for 22632 → · Billed by an NP, PA or therapist? →

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

On this page 10 sections
  1. Medicare rate
  2. What 22632 covers
  3. By payment locality
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Similar codes
  8. Related codes
  9. Billing questions
  10. Sources

What 22632 covers

This add-on represents fusion at an additional lumbar disc space using a posterior interbody approach, such as a multilevel posterior lumbar interbody fusion or transforaminal lumbar interbody fusion. Spine surgeons, including orthopedic surgeons and neurosurgeons, perform these procedures in the operating room. The additional level must receive the interbody fusion technique; simply extending a posterolateral fusion to another vertebral segment is a different service.

Report one unit for each additional lumbar interspace beyond the first, with the primary posterior interbody fusion code 22630. The operative report should identify the treated interspaces and document posterior interbody arthrodesis at each additional level. CMS classifies 22632 as an add-on code: it is billed only with a primary procedure and paid within that procedure’s global period.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

Where 22632 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 of 109 payment localities

22632 office and facility rates by payment locality
Payment localityOfficeFacility
AlabamaUnavailable$254.41
Alaska*Unavailable$349.50
ArizonaUnavailable$277.18
ArkansasUnavailable$250.44
AtlantaUnavailable$301.03
AustinUnavailable$284.46
BakersfieldUnavailable$272.98
Baltimore/Surr. CntysUnavailable$308.69
BeaumontUnavailable$278.14
BrazoriaUnavailable$275.27

22632 rates by state

Office rate range in each state. Select a state to see its payment localities.

MEWIVTNHMTNDMNMINYMARIWAIDWYSDIAILINOHPANJCTORNVUTCONEMOKYWVVAMDDECAAZNMKSOKARTNNCSCDCTXLAMSALGAFLAKHI

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Local rates. Clear comparisons.

Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.

View every state and territory as a table
22632 office rate range by state
State / territoryOffice rate rangeLocalities
AKNo published base rate1
ALNo published base rate1
ARNo published base rate1
AZNo published base rate1
CANo published base rate29
CONo published base rate1
CTNo published base rate1
DCNo published base rate1
DENo published base rate1
FLNo published base rate3
GANo published base rate2
GUNo published base rate1
HINo published base rate1
IANo published base rate1
IDNo published base rate1
ILNo published base rate4
INNo published base rate1
KSNo published base rate1
KYNo published base rate1
LANo published base rate2
MANo published base rate2
MDNo published base rate3
MENo published base rate2
MINo published base rate2
MNNo published base rate1
MONo published base rate3
MSNo published base rate1
MTNo published base rate1
NCNo published base rate1
NDNo published base rate1
NENo published base rate1
NHNo published base rate1
NJNo published base rate2
NMNo published base rate1
NVNo published base rate1
NYNo published base rate5
OHNo published base rate1
OKNo published base rate1
ORNo published base rate2
PANo published base rate2
PRNo published base rate1
RINo published base rate1
SCNo published base rate1
SDNo published base rate1
TNNo published base rate1
TXNo published base rate8
UTNo published base rate1
VANo published base rate2
VINo published base rate1
VTNo published base rate1
WANo published base rate2
WINo published base rate1
WVNo published base rate1
WYNo published base rate1

How the 22632 rate is calculated

Each of 22632’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

How the rate is built · 22632

RVUs × geographic indexes × conversion factor

Swap in your local Medicare rate.

Work 5.09Practice expense 1.73Malpractice 1.79

8.6100 adjusted RVUs×$33.4009 conversion factor=$287.58

All indexes start at 1.000 (the national rate). Enter a ZIP or drag a slider.

Payment rules and modifiers for 22632

The CMS indicators that decide how 22632 is paid alongside other services.

CMS payment indicators · 22632

Lumbar fusion

RuleCMS valueWhat it means
Global periodZZZAdd-on code: falls within the primary procedure’s global period.
Multiple procedures0No multiple-procedure reduction.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)2Paid.
Co-surgeons (62)2Permitted.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.

What modifiers do to the payment

Modifier 80 · payment effect

With and without the modifier

22632 without 80 · national facility

$287.58

Lumbar fusion

22632-80 · Assistant: 16%

$46.01

A physician assistant at surgery is paid 16% of the surgeon’s fee schedule amount.

When to use modifier 80

22632 compared with similar codes

Compare codes

22632 vs 22630 vs 22634 vs 22614 vs 22633: national Medicare rates

Swap in your local Medicare rate.

  • 22632
    Lumbar fusion · 5.09 wRVU
    —
  • 22630
    Lumbar fusion · 21.54 wRVU
    —
  • 22634
    Lumbar fusion · 7.76 wRVU
    —
  • 22614
    Spinal fusion · 6.27 wRVU
    —
  • 22633
    Lumbar fusion · 26.13 wRVU
    —

How to choose

22630Lumbar fusion
22630 reports posterior interbody fusion at the first lumbar interspace. 22632 is the add-on for each additional interspace and is reported with 22630.
22634Lumbar fusion
22634 reports each additional lumbar interspace treated with the combined technique represented by 22633. 22632 is for additional interspaces with the posterior interbody technique represented by 22630.
22614Spinal fusion
22614 counts additional vertebral segments for posterior or posterolateral fusion. 22632 counts additional lumbar interspaces fused using a posterior interbody technique.
22633Lumbar fusion
22633 is the primary code for the combined posterior or posterolateral and interbody technique at the first lumbar interspace. It is not the add-on code for additional posterior interbody-only levels.

Codes related to 22632

Related codes aren’t interchangeable: bill the code that matches the service performed.

Codes related to 22632
CodeHow it relatesNational office range
Add-on codes
22630Lumbar fusionPrimary code for posterior interbody fusion at the first lumbar interspace.No office rate
Used instead
22634Lumbar fusionAdditional interspace code when the combined technique represented by 22633 is performed.No office rate
22633Lumbar fusionRepresents the combined posterior or posterolateral and interbody technique at the first lumbar interspace.No office rate
22614Spinal fusionAdditional-segment code for posterior or posterolateral fusion, rather than an additional interbody interspace.No office rate
22612Spinal fusionPrimary lumbar posterior or posterolateral fusion code without the posterior interbody technique.No office rate

22632 billing questions

Which primary code must accompany 22632?

Report 22632 with 22630, which represents the first lumbar interspace fused using the posterior interbody technique. Code 22632 accounts for each additional interspace treated with that technique.

How is 22632 different from 22614?

22632 is for each additional lumbar interspace fused with a posterior interbody technique. 22614 is for each additional vertebral segment fused using a posterior or posterolateral technique.

When is 22634 used instead?

Use 22634 for each additional lumbar interspace when the surgeon performs the combined posterior or posterolateral and interbody fusion technique represented by 22633. Use 22632 for additional interspaces in a posterior interbody fusion reported with 22630.

What documentation supports an additional unit?

The operative report should identify each additional lumbar interspace and describe the posterior interbody fusion performed there. The service must be at an additional interspace, not merely another vertebral segment.

How does the add-on status affect payment?

22632 is billed only with its primary procedure, 22630, and CMS pays it within the primary procedure’s global period.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Show the CMS file lines behind this rate
RVUs for 22632PPRRVU2026_Oct_nonQPP.csv, line 2,097 (RVU26D)

Open CMS sourceHow we calculate rates

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