Surgical augmentation of the malar (cheek) region using prosthetic implant material to restore or enhance facial contour.

Verified May 8, 2026 · 6 sources ↓

Medicare: $1,104.23
Work RVU: 10.36
Global, days: 90
Region: Other

Drawn from CMSBedrockbillingCgsmedicareFastrvuEmedny

Documentation requirements

What must appear in the operative or office note to support the claim.

Source · Editorial brief grounded in 6 cited references ↓

Operative note must name the surgical approach (intraoral, lower eyelid, or other) — 'standard approach' is an audit flag.
Implant type, size, and material must be documented and reconciled with the implant log or manufacturer sticker in the chart.
For reconstructive claims, document the specific underlying indication: trauma history with imaging, congenital anomaly diagnosis, or prior oncologic resection with pathology.
Medical necessity letter or prior authorization approval must be attached when billing Medicare or Medicaid for a reconstructive indication.
If bilateral, the operative note must clearly describe augmentation of both malar eminences and explain the clinical rationale for bilateral correction.

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 50 Bilateral procedure 51 Multiple procedures 52 Reduced services 59 Distinct service 24 Unrelated E/M during global 25 Significant separate E/M 58 Staged or related 78 Unplanned return — related 79 Unrelated during global LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 6 cited references ↓

CPT 21270 describes malar augmentation performed with prosthetic material. The surgeon accesses the malar eminence — typically via intraoral or lower eyelid incisions — creates a subperiosteal pocket, and seats a solid implant to augment cheekbone projection. The code covers the entire procedure regardless of implant type or approach used.

Medicare almost never covers 21270. The procedure falls under cosmetic and reconstructive surgery guidelines (CMS Article A56587), and Medicare treats malar augmentation as cosmetic by default. Coverage exceptions exist for documented post-traumatic deformity, congenital anomaly, or reconstruction following oncologic resection — but each case requires individual medical necessity review and, in most cases, prior authorization from the MAC. Without an approved reconstructive indication, expect a non-covered denial.

The 90-day global period applies. Any unrelated E/M or procedure billed during that window requires modifier 24 or 79. Bilateral augmentation — both malar eminences in the same session — is reported with modifier 50. NCCI edits flag over 1,000 code pairs against 21270; review column 2 codes carefully before billing adjacent facial procedures on the same claim.

RVU & reimbursement

Component RVUs and Medicare national rate. Actual payment varies by GPCI locality.

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU vs. total RVU

The work RVU (10.36) is the surgeon's own effort — the figure physician pay and productivity targets are built on. The total RVU (33.06) adds practice overhead and malpractice, and is what drives the Medicare payment below.

Work RVU	10.36
Practice expense RVU	20.78
Malpractice RVU	1.92
Total RVU	33.06
Medicare national rate	$1,104.23
Global period	90 days

Payment by site of service

Medicare pays different rates by setting. HOPD typically pays substantially more than ASC for the same procedure.

Source · CMS OPPS Addendum B·ASC HCPCS payment rates·2026

Setting	Medicare rate (national)
Office (PFS non-facility) Procedure performed in physician's office	$1,104.23
HOPD (APC 5165) Hospital outpatient department	$6,048.05
ASC (PI J8) Ambulatory surgical center (freestanding)	$4,122.76

Common denial reasons

The recurring reasons claims for CPT 21270 get rejected.

Source · Editorial brief grounded in CMS NCCI edits, AAOS coding appeals, and cited references ↓

Non-covered cosmetic procedure — Medicare and many commercial payers default 21270 to cosmetic without explicit reconstructive documentation.
Missing or inadequate prior authorization for reconstructive cases billed to Medicare or state Medicaid programs.
NCCI bundling conflict when adjacent facial reconstruction codes are billed same-day without a valid modifier separating distinct procedural services.
Laterality not specified when a unilateral procedure is billed without LT or RT, triggering payer requests for clarification.
Global period violation — E/M or related follow-up visits billed within the 90-day global without modifier 24.

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 6 cited references ↓

01Does Medicare ever cover CPT 21270?

Rarely, and only when a reconstructive indication is explicitly documented — post-traumatic deformity with supporting imaging, congenital facial anomaly, or reconstruction after oncologic resection. Each case is reviewed individually, prior authorization is typically required, and the burden of proof sits entirely with the submitting provider. Cosmetic intent = automatic denial.

02How do you bill bilateral malar augmentation?

Report 21270 once with modifier 50. Bill as a single line. Most payers reimburse bilateral procedures at 150% of the single-procedure allowable, but verify your contract — some payers require two lines with LT and RT instead.

03What is the global period for 21270, and what does it cover?

21270 carries a 90-day global. That includes the day before surgery, the operative day, and all routine post-op care through day 90 — office visits, dressing changes, and implant checks. Unrelated problems treated during that window need modifier 24 on the E/M; unrelated procedures need modifier 79.

04Can 21270 be billed with other facial reconstruction codes on the same date?

It depends on the NCCI edits. There are over 1,000 PTP edits involving 21270. If you're billing adjacent facial procedures same-day, run the code pair through the CGS or CMS NCCI lookup before submitting. Where the edit is modifier-bypassable and the services are truly distinct, append modifier 59 with supporting documentation.

05What ICD-10 codes support medical necessity for a reconstructive claim?

Common reconstructive diagnoses include M85.88 (other bone disorders, other site), S02.40XA series for malar fractures, Q75.8 for congenital craniofacial anomalies, and Z87.39 for personal history of malignant neoplasm affecting the face. The ICD-10 must match the clinical narrative in the operative report — mismatched diagnosis codes are a routine audit trigger.

06Is modifier 22 appropriate for complex malar augmentation?

Yes, if the procedure required substantially greater effort than typical — for example, prior scarring from trauma or radiation, hardware removal before implant placement, or revision of a failed prior augmentation. Document the specific factors adding time and complexity in the operative note. Without that documentation, payers will strip modifier 22 and reduce reimbursement to the base rate.

Sources & references

Editorial content was developed using the following public sources. Last verified May 8, 2026.

Mira Scribe

Mira's AI scribe captures the surgical approach by name, implant material and size, and the documented clinical indication (cosmetic versus reconstructive) directly from dictation. For reconstructive cases, it flags whether trauma, congenital, or oncologic history is stated in the note — the absence of that language is the single most common reason Medicare denies 21270 on first submission.

See how Mira captures CPT 21270 documentation