Fracture care · Other

21335

Open surgical repair of a fractured nose involving both the nasal bones and the nasal septum

Verified May 8, 2026 · 5 sources ↓

Medicare
$648.98
Work RVU
8.79
Global, days
90
Region
Other
Drawn from CMSAAPCMdclarityFindacodeTdi

Documentation requirements

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

Source · Editorial brief grounded in 5 cited references ↓

  • Specify that an open approach was used — 'open reduction' or 'direct exposure of nasal bones and septum' — not just 'nasal fracture repair'
  • Document both the nasal bone fracture and the septal fracture/dislocation as distinct findings, with imaging or intraoperative confirmation of each
  • Record the mechanism and timing of injury to support fracture diagnosis and medical necessity for open (vs. closed) treatment
  • Describe septal findings in detail: deviation, dislocation, cartilage fracture, or hematoma, and the specific repair technique performed
  • If 30140 or 30420 is billed concurrently, include a separate operative note paragraph documenting the independent medical necessity and distinct work of each procedure
  • Note any complicating factors (prior nasal surgery, comminution, delayed presentation) that would support modifier 22 if appended

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

What this code covers

Source · Editorial summary grounded in 5 cited references ↓

CPT 21335 covers open operative treatment of a combined nasal and septal fracture — meaning the surgeon directly exposes and reduces the fractured nasal bones and repairs the deviated or disrupted septum through an open approach, as opposed to closed (21310–21320) or minimally open nasal-only repair (21330).

The 90-day global period applies. That window covers the day-before and day-of surgery plus all routine post-op visits, nasal packing removal, and splint care through day 90. Any evaluation for a new or unrelated condition during the global requires modifier 24 (E/M) or 25 (same-day E/M before procedure). A return to the OR for a complication during the global — infection, septal hematoma, persistent deformity — uses modifier 78 if related or modifier 79 if unrelated.

The most common NCCI bundling conflict is with 30140 (submucous resection). When both are performed and separately reportable, modifier 59 (or its X-subset) on 30140 is the standard approach, but commercial carriers vary on whether they accept the override — verify before filing. Likewise, 30420 (rhinoplasty with internal nasal work) triggers column 1/column 2 edits when billed same-session; document distinctly why each service was independently necessary.

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 (8.79) is the surgeon's own effort — the figure physician pay and productivity targets are built on. The total RVU (19.43) adds practice overhead and malpractice, and is what drives the Medicare payment below.

Work RVU 8.79
Practice expense RVU 9.31
Malpractice RVU 1.33
Total RVU 19.43
Medicare national rate $648.98
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

SettingMedicare rate (national)
Office (PFS non-facility)
Procedure performed in physician's office
$648.98
HOPD (APC 5164)
Hospital outpatient department
$3,387.27
ASC (PI A2)
Ambulatory surgical center (freestanding)
$1,480.50

Common denial reasons

The recurring reasons claims for CPT 21335 get rejected.

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

  • Operative note describes 'nasal fracture repair' without clearly distinguishing open technique or septal involvement, causing downcode to 21320 or 21330
  • NCCI edit fires on same-session 30140 (submucous resection) without modifier 59 or XS to establish distinct procedural service
  • Payer bundles 21335 into a same-session rhinoplasty code (30400–30420) when documentation doesn't support separate distinct work
  • Missing imaging or intraoperative description confirming septal fracture, leading payer to deny the higher-complexity code in favor of nasal-bone-only repair
  • Claim filed during another surgeon's global period without appropriate modifier, triggering global period denial

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 5 cited references ↓

01What's the difference between 21330 and 21335?
21330 is open treatment of a nasal fracture with stabilization — nasal bones only. 21335 requires open treatment of both the nasal fracture AND the septum. If the septum is fractured or dislocated and is addressed operatively, 21335 is the correct code. Document septal pathology and repair explicitly or expect a downcode.
02Can 21335 and 30140 be billed together?
They are NCCI column 1/column 2 pairs. When the submucous resection is separately identifiable and not merely incidental to the septal fracture repair, modifier 59 (or XS for a distinct structural service) on 30140 supports unbundling. Commercial carrier acceptance varies — check payer-specific policy before submitting.
03Does modifier 50 apply to 21335?
The nose is a midline structure, so bilateral billing under modifier 50 is not standard for 21335. Payers will typically reject a 50 modifier on this code. The CMS bilateral surgery indicator for this code should be confirmed in the PFS lookup before attempting bilateral billing.
04What global period applies and what does it cover?
21335 carries a 90-day global. It includes the day before surgery, the procedure day, and all routine follow-up through day 90 — packing removal, splint care, and standard post-op visits. Bill modifier 24 on any E/M for a new or unrelated problem within that window, or the claim will deny as included in the global.
05When is modifier 22 appropriate for 21335?
Append modifier 22 when operative complexity substantially exceeds the typical case — for example, significantly comminuted fractures, delayed presentation with callus formation, revision after prior nasal surgery, or documented unusually prolonged operative time. You must document the specific factors that increased difficulty; a generic note won't survive audit.
06How does site of service affect reimbursement for 21335?
HOPD and ASC payments differ significantly — see the site of service comparison table on this page. For facility cases, only the professional fee follows the physician; the facility bills separately. Non-facility (office) cases are rare given the open surgical nature of this code.

Sources & references

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

  1. 01CMS Physician Fee Schedule 2026
  2. 02
    aapc.com
    https://www.aapc.com/codes/cpt-codes/21335
  3. 03
    mdclarity.com
    https://www.mdclarity.com/cpt-code/21335
  4. 04
    findacode.com
    https://www.findacode.com/cpt/21335-cpt-code.html
  5. 05
    tdi.texas.gov
    https://www.tdi.texas.gov/medcases/medfee25/m4252840.pdf

Mira AI Scribe

Mira's AI scribe captures the operative approach (open), specific nasal bone and septal findings, repair technique for each structure, and any complicating factors from dictation — locking in the documentation needed to defend 21335 over a closed-reduction code and to support modifier 22 when complexity warrants it. This prevents the most common downcode scenario: a vague operative note that doesn't explicitly document open exposure of both the nasal bones and the septum.

See how Mira captures CPT 21335 documentation

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