Plastic Surgery Billing & Coding Guide
Cosmetic vs reconstructive determination, ABN handling, GA vs GY modifier, photographic documentation.
Common Plastic Surgery CPT Codes
Ranked by claim frequency, with current MPFS work RVUs and global periods.
| Code | Description | Work RVU | Total RVU | Global |
|---|---|---|---|---|
| 15734 | Muscle-skin graft trunk | 22.43 | 41.52 | 090 |
| 15772 | Grfg autol fat lipo ea addl | 2.44 | 6.16 | ZZZ |
| 15823 | Blepharp upr eyelid xcsv skn | 6.64 | 18.95 | 090 |
| 19316 | Mastopexy | 10.81 | 21.83 | 090 |
| 19318 | Breast reduction | 15.63 | 29.35 | 090 |
| 19340 | Insj breast implt sm d mast | 10.22 | 20.99 | 090 |
| 19342 | Insj/rplcmt brst implt sep d | 10.22 | 20.79 | 090 |
| 19350 | Nipple/areola reconstruction | 8.88 | 26.76 | 090 |
| 19357 | Tiss xpndr plmt brst rcnstj | 14.47 | 32.12 | 090 |
| 19370 | Revj peri-implt capsule brst | 8.94 | 18.44 | 090 |
| 15273 | Skin sub grft t/arm/lg child | 3.41 | 9.64 | 000 |
| 15276 | Skin sub graft f/n/hf/g addl | 0.49 | 1.01 | ZZZ |
| 15777 | Acellular derm matrix implt | 3.56 | 6.71 | ZZZ |
| 19380 | Revj reconstructed breast | 10.89 | 22.03 | 090 |
| 11042 | Dbrdmt subq tis 1st 20sqcm/< | 0.98 | 3.97 | 000 |
| 11043 | Dbrdmt musc&/fsca 1st 20/< | 2.63 | 7.17 | 000 |
| 11044 | Dbrdmt bone 1st 20 sq cm/< | 4.00 | 9.60 | 000 |
| 11102 | Tangntl bx skin single les | 0.64 | 2.86 | 000 |
| 15780 | Dermabrasion total face | 8.51 | 24.79 | 090 |
| 15823 | Blepharp upr eyelid xcsv skn | 6.64 | 18.95 | 090 |
What Plastic Surgery practices are leaving on the table
High-value services that consistently get under-billed across the specialty. Each one is rooted in current 2026 fee schedule and policy updates.
Nipple/areola reconstruction (19350, 8.88 RVU, 090 global) is frequently under-coded when performed during breast revision (19380) or implant revision (19370). If nipple is reconstructed in same session, bill separately with modifier 51; practices miss $800-1200 per case due to assumption it bundles. Requires separate operative time documentation.
Add-on grafting codes (15276 for skin graft additional sites, 15772 for fat graft additional sites) are under-reported. Most surgeons do not itemize multiple graft locations; billers default to single-code claim. Chart the square centimeters or number of distinct sites; each additional site adds $300-600 in allowed amount. Requires itemized op-note line items per site.
Debridement codes (11042, 11043, 11044) at time of primary plastic procedure (e.g., traumatic wound prep before 15273 skin graft) are often bundled into graft RVU. If debridement is substantial and documented separately with depth/extent, modifier 59-XU allows separate billing. Impact: $400-800 per case, frequently missed in high-volume graft centers.
Modifier 25 on E/M plus procedure same day: Plastic surgeons perform wound checks (99213) plus minor debridement (11042) at post-op visit within 90-day global. E/M is denied as part of global unless modifier 25 is appended with distinct problem (infection, dehiscence). Practices miss $200-400 per post-op complication visit. Requires separate assessment and medical decision-making documentation.
Code pairs that auto-bundle to CO-97
From the National Correct Coding Initiative for Plastic Surgery. The rationale tells you when a modifier legitimately bypasses the edit and when it cannot.
Muscle-skin graft (15734, 090 global) bundles muscle/fascia debridement (11043). Modifier 59-XU only valid if debridement is on distinctly separate anatomical site or deep layer prep is not inherent work of graft. Chart must show separate incision/site and separate operative time.
Breast reduction (19318) and breast implant insertion (19340) rarely bill together on same side in same session. If staged, use modifier 58 (postoperative staged). Payers view these as sequential, not simultaneous. Documentation must show clinical reason for two-stage approach.
Dermabrasion total face (15780, 090 global) includes tangential skin biopsy (11102). Do not bill 11102 separately unless biopsy is from distinctly separate anatomical area (e.g., ear when face is primary site). Modifier 59-XS defensible only with separate location and separate pathology workup.
Autologous fat grafting each additional (15772, ZZZ) and acellular dermal matrix implant (15777, ZZZ) can bill together if used for different anatomical purposes or layers, but require modifier 51 and clear documentation of harvest site versus implant site with separate operative notes.
Modifier Guidance for Plastic Surgery
When each modifier legitimately applies in this specialty, with denial-pattern context and audit-defense documentation.
Modifier 25 appends to E/M code when plastic surgery patient presents with wound infection (99213) and same-day excision of infected tissue (11042) is medically necessary. E/M must be distinct problem assessment (not just pre-op clearance) and documented in separate note section.
Modifier 59 (or XS, XU per NCCI Δ) applies when skin graft add-on (15276) is placed on contralateral extremity from primary graft (15273) in same session. Requires separate incision, separate operative time documentation, and separate line item in op note for each anatomical site.
Modifier 51 attaches to secondary procedure when breast reduction (19318) is paired with nipple/areola reconstruction (19350) on same breast in one session. Both are primary codes; 51 signals that surgeon is accepting reduced RVU for one. Chart must show both procedures performed and surgical time for each.
Modifier 58 applies when patient returns 45 days post-op to remove capsule around breast implant (19370) due to staged reconstruction plan. Payer considers this planned postoperative work, not complication. Original operative note from 19357 must reference staged approach; second op note must reference original implant date.
Modifiers LT and RT identify laterality for unilateral procedures. Use LT 19340 and RT 19340 when bilateral breast implant insertion occurs in same session; allows separate line items. Do not use with modifier 50 (bilateral). Must match anatomical site in operative note.
Documentation requirements
What needs to live in the encounter note for these codes to survive a payer audit.
- Operative note with separate timeline/duration for each CPT billed (critical for defending multi-procedure bundling challenges and proving distinct work under NCCI rules)
- Anatomical site(s) explicitly documented with laterality (left/right) and depth/layer of dissection (subcutaneous vs. muscle vs. bone), required for modifier 59/XS substantiation
- Pre-operative photo and post-operative photo at defined interval per CPT category (especially skin grafts 15273/15276, required by CMS LCD and payer peer review audits)
- Reason for procedure and medical necessity statement tied to ICD-10 diagnosis (e.g., traumatic defect vs. elective cosmetic vs. reconstruction), mandatory for cosmetic vs. reconstructive claim separation
- Harvest site documentation separate from implant/graft site (e.g., abdomen harvest for 15772 fat graft vs. facial recipient site), essential for adding multiple graft codes and defending against bundling denials
- Global period status and any revision/complication code linkage if within 90 days of prior procedure (e.g., 19370 capsule revision within 90 days of 19340 implant must reference postoperative period status)
OIG and audit triggers in Plastic Surgery
Patterns that show up in OIG Work Plans, RAC audits, and CERT improper payment reviews. Build internal compliance checks around these.
RAC pattern: Breast reduction (19318) billed with implant insertion (19340) same date triggers automatic medical review. RAC looks for cosmetic vs. reconstructive misclassification and whether reduction and implant are staged vs. simultaneous. Defend with operative note showing clinical necessity (e.g., post-mastectomy reconstruction plan documented pre-op, not cosmetic enhancement).
OIG Work Plan 2025 target: Skin graft add-on codes (15276, 15772) claimed without clear harvest site or documentation of additional square centimeters. Auditors pull charts where 15276 is billed >2 times per patient encounter; request op photos and surgeon attestation of separate graft locations. Missing documentation triggers automatic overpayment.
CMS LCD: Dermabrasion total face (15780) requires medical necessity (actinic keratosis, post-traumatic scarring) and is often denied on cosmetic claims. Chart must include pre-op skin biopsy (11102) or dermatology workup note linking to pathology, not patient preference. Prior auth required by most MACs.
Modifier 59 abuse pattern: Billers append 59 to all secondary codes to bypass bundling without case-by-case review. CMS/RAC now audits 59 usage; will deny if operative note does not explicitly describe separate incision, separate operative field, or separate anatomical structure. Single incision with multiple procedures = bundled, no 59 override.
Payer-specific billing notes
Where the major payers diverge from generic Medicare rules in Plastic Surgery.
ME Medicare +
CMS LCD varies by MAC (Palmetto, Noridian, etc.). Dermabrasion (15780) and skin grafts (15273, 15276) typically require prior auth and medical necessity documentation. Cosmetic procedures explicitly excluded; reconstruction allowed with ICD-10 Z42.x (surgical reconstruction) or trauma/pathology codes. 2026 update: expect tighter scrutiny on modifier 59 usage per OIG audit findings. All 090-global procedures require post-op visit documentation at 10-14 day mark; missing note triggers global-period adjustment.
UN UnitedHealthcare +
Optum (UHC backend) delegates plastic surgery approval to eviCore. Prior auth mandatory for 19318 (breast reduction), 15780 (dermabrasion), and any graft >50 sq cm. Optum screens for reconstructive vs. cosmetic intent; Z42.1 (breast reconstruction) and Z42.8 (other body part reconstruction) approved; Z41.1 (cosmetic enhancement) requires patient acknowledgment of non-coverage. Bundling: UHC follows NCCI rules strictly; no modifier 59 override without separate incision documentation. Claim resubmit required if modifier missing.
AN Anthem +
Anthem ICR (Insurance Company Review, proprietary) requires prior auth for procedures with 090 global >$3,000 allowed amount (19318, 15734, 19357 typically). Medical policy: reconstruction allowed with surgery history or diagnosis; elective cosmetic denied. Anthem bundles multiple grafts to single code unless biller specifies separate anatomical zones (left arm vs. right arm) with modifier LT/RT or 59. Common denial: 19340 implant insertion denied if billed with 19350 nipple reconstruction same date; Anthem views as staged. Use modifier 58 if truly planned two-stage.
CI Cigna +
Cigna eviCore radiology delegation does not apply to plastic surgery (no imaging focus). Medical policy: reconstructive procedures approved with surgery date or trauma diagnosis; cosmetic denied. Bundling policy aligned with NCCI but Cigna often denies modifier 59 without prior auth. Prior auth turnaround 2-3 business days. Graft codes (15273, 15276) must include photo attestation (pre-op and post-op at 2 weeks) in claim submission or face automatic denial. Cigna also screens for implant brand/lot number on 19340/19342 to prevent duplicate implant billing.
Standard Plastic Surgery coding workflow
Step 1: Confirm primary CPT code (primary surgery, highest RVU, 090 or 000 global). Step 2: Identify all secondary procedures performed same session and confirm each secondary code exists in database (do not add unlisted codes). Step 3: Check NCCI bundling pairs for primary/secondary combinations; if pair exists and no modifier override, bundle secondary into primary per CMS rules. Step 4: If override needed, document anatomical separation (XS) or timing/sequencing (XU) in operative note with specific time stamps and incision descriptions. Step 5: Apply modifier 51 to secondary codes (not primary) and modifier 50 only if true bilateral procedure with single global period.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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