CPT 23474Surgery

Revis reconst shoulder joint

CPT code 23474 covers revision surgery to reconstruct a shoulder joint that was previously operated on. This complex procedure involves correcting or improving an earlier shoulder reconstruction that failed or needs adjustment.

Showing rates for

National Average

Base Medicare rate

$1,697.22

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

27.21

PE RVU (NF)

19.94

MP RVU

5.32

Total RVU

52.47

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Clearly document the 'revision' nature by detailing the previous reconstruction procedure date, what failed, and why complete revision is necessary versus lesser procedures like hardware removal or debridement
Impact: Prevents downcoding to lower-paying primary reconstruction codes (e.g., 23470 at 23.00 RVUs vs 23474 at 52.47 RVUs) - potential loss of over $1000 per case
When extensive bone grafting is performed during revision, consider reporting 20931 (structural bone graft) or 20930 (morselized bone graft) separately with modifier 59 if not included in the shoulder revision work
Impact: Can add $300-800 in additional reimbursement if bone grafting is extensive and separately identifiable beyond typical revision work
Use modifier 22 for unusually complex revisions involving multiple prior surgeries, significant bone loss, or cases requiring custom implants, but submit comprehensive documentation including operative report, comparison to typical case, and additional time/complexity justification
Impact: Successful modifier 22 claims can increase reimbursvement by $340-850 (20-50% increase), but approval rate is only 30-40% without excellent documentation
Verify the facility versus non-facility setting is correctly billed; 23474 has identical rates ($1697.22) for both settings, but ensure place of service code matches actual location to avoid post-payment audits
Impact: Prevents recoupment demands and potential fraud allegations; while rates are equal for this code, incorrect POS coding raises red flags for entire claim patterns
For Medicare patients, verify medical necessity documentation includes failed conservative treatment, imaging showing structural failure, and explanation of why revision is necessary versus arthroscopic debridement or lesser procedures
Medicare LCD requirements strictly enforce medical necessity; inadequate documentation results in denial of full $1697.22 payment

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Related actions

Common denials

Insufficient documentation proving revision nature - payer downcodes to primary shoulder reconstruction (23470) due to lack of clear evidence of previous failed reconstruction

How to appeal: Submit appeal with operative report from original reconstruction, current operative report explicitly describing scar tissue dissection and revision work, imaging showing failed prior reconstruction, and chart notes documenting failure mechanism. Include CPT guidelines distinguishing revision (23474) from primary (23470) procedures.

Medical necessity denial claiming procedure is cosmetic or not medically necessary, particularly for revisions performed primarily for improved function rather than structural failure

How to appeal: Provide comprehensive documentation of functional impairment, failed conservative treatment (physical therapy records spanning 3-6 months), imaging demonstrating structural failure or instability, and peer-reviewed literature supporting revision reconstruction for the specific failure pattern. Include validated outcome measures showing functional limitation.

Global period bundling - claim denied when performed within 90 days of initial reconstruction by same surgeon without proper modifier

How to appeal: If truly a complication or staged procedure, resubmit with modifier 78 or 58 as appropriate with documentation explaining relationship to original procedure and why separate payment is justified. Include timeline showing this was unplanned revision for failure rather than staged reconstruction.

Unbundling denial when billed with arthroscopic procedures, debridement codes, or hardware removal codes that payer considers inclusive to revision reconstruction

How to appeal: Submit detailed operative report with clear time documentation showing distinct procedures performed at separate anatomical sites or through separate incisions. Use modifier 59 appropriately and provide anatomical diagrams or documentation showing procedures were not components of the revision reconstruction but separate, medically necessary interventions.

Frequently asked questions

What is the Medicare reimbursement rate for CPT code 23474 in 2025?

The 2025 Medicare national average reimbursement for CPT 23474 is $1697.22 for both facility and non-facility settings. This rate is based on 52.47 total RVUs (27.21 work RVU + 19.94 PE RVU + 5.32 MP RVU) multiplied by the 2025 conversion factor of 32.3465.

What is the difference between CPT 23474 and 23470?

CPT 23474 is for revision reconstruction of the shoulder joint performed after a previous reconstruction has failed, while CPT 23470 is for primary (first-time) shoulder joint reconstruction. The revision code (23474) has higher RVUs (52.47 vs 40.00) reflecting the increased complexity of working through scar tissue and altered anatomy from previous surgery.

Can CPT 23474 be billed with modifier 22 for increased complexity?

Yes, modifier 22 can be appended to 23474 when the revision reconstruction is significantly more complex than typical cases due to extensive scarring, multiple prior surgeries, significant bone loss, or severe anatomical distortion. Documentation must include a detailed operative report, comparison to typical case complexity, and justification for additional physician work to support 20-50% increased reimbursement.

What documentation is required to bill CPT 23474 instead of a primary shoulder reconstruction?

Documentation must clearly establish the revision nature including: date and type of previous shoulder reconstruction, mechanism of failure (hardware loosening, recurrent instability, etc.), preoperative imaging showing failed reconstruction, operative report describing dissection through scar tissue and removal/revision of previous reconstruction components, and medical necessity for complete revision versus lesser procedures like hardware removal.

How many RVUs is CPT code 23474 worth in 2025?

CPT 23474 has 52.47 total RVUs in 2025, consisting of 27.21 work RVUs, 19.94 practice expense RVUs (same for facility and non-facility), and 5.32 malpractice RVUs. This high RVU value reflects the complexity and time required for revision shoulder joint reconstruction.

Can CPT 23474 be billed during the global period of the original shoulder reconstruction?

Yes, but it requires modifier 78 (unplanned return to OR for related procedure) if performed for a complication during the 90-day global period. This results in payment for only the intraoperative portion (approximately 70% of the full fee). If it's a planned staged procedure, modifier 58 would be appropriate. Clear documentation linking the revision to the original procedure is essential.

What are common reasons for denial of CPT 23474 claims?

Common denials include: insufficient documentation proving revision nature (downcoded to primary reconstruction 23470), medical necessity denials when failure mechanism is not clearly documented, global period bundling when performed after recent shoulder surgery without proper modifiers, and unbundling denials when billed with hardware removal or debridement codes considered inclusive to the revision reconstruction work.