Surgical · Other

Closed treatment of an orbital wall fracture with manipulation — realigning fractured orbital bone fragments without open surgical exposure.

Verified May 8, 2026 · 4 sources ↓

Medicare: $552.12
Work RVU: 3.59
Global, days: 90
Region: Other

Drawn from CMSCgsmedicare

Documentation requirements

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

Source · Editorial brief grounded in 4 cited references ↓

Pre-operative imaging (CT preferred) documenting orbital fracture displacement requiring manipulation
Operative/procedure note explicitly stating that manual manipulation was performed, not observation-only treatment
Post-reduction imaging or clinical assessment documenting the result of manipulation
Mechanism of injury and relevant physical exam findings (enophthalmos, diplopia, hypoglobus, restricted extraocular motion)
Clear distinction in the note that the approach was closed — no incision or direct fracture visualization

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 24 Unrelated E/M during global 25 Significant separate E/M 52 Reduced services 58 Staged or related 78 Unplanned return — related 79 Unrelated during global 80 Assistant surgeon LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 4 cited references ↓

CPT 21401 describes the closed reduction of an orbital fracture where the surgeon manually manipulates displaced bone fragments back into anatomic position without making a surgical incision for direct visualization. The 90-day global period covers the manipulation, all routine post-op visits, and standard wound care through day 90. Anything unrelated to the orbital fracture billed during that window requires modifier 24 or 25.

This code sits in the craniofacial fracture section and is distinct from open orbital fracture repair codes. If the surgeon ultimately converts to open reduction intraoperatively, the open code is the correct report — not 21401 with an add-on. The significant payment differential between the HOPD and ASC settings reflects facility overhead, not a change in physician work.

Documentation must support that manipulation was actually performed — 'closed treatment without manipulation' is a separate, lower-valued code. Imaging confirming displacement pre-manipulation and acceptable reduction post-manipulation is the standard audit expectation.

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 (3.59) is the surgeon's own effort — the figure physician pay and productivity targets are built on. The total RVU (16.53) adds practice overhead and malpractice, and is what drives the Medicare payment below.

Work RVU	3.59
Practice expense RVU	12.28
Malpractice RVU	0.66
Total RVU	16.53
Medicare national rate	$552.12
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	$552.12
HOPD (APC 5163) Hospital outpatient department	$1,585.19
ASC (PI A2) Ambulatory surgical center (freestanding)	$659.17

Common denial reasons

The recurring reasons claims for CPT 21401 get rejected.

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

Billed as 21401 but documentation supports closed treatment without manipulation — payer downcodes to the no-manipulation code
Missing pre-treatment imaging to confirm fracture displacement warranting manipulation
Services billed during the 90-day global period without modifier 24 or 25 when unrelated to the orbital fracture
Operative note uses generic language ('fracture reduced') without specifying the closed manipulative technique performed

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 4 cited references ↓

01What's the difference between 21401 and the closed orbital fracture code without manipulation?

21401 requires that the surgeon physically manipulates displaced orbital fragments into position. If the fracture is treated conservatively — observation, ice, activity restriction — without hands-on reduction, that's a different, lower-valued code. Your operative note must say manipulation was performed.

02Can I bill 21401 if I started closed and converted to open reduction?

No. If the procedure converted to open reduction with direct fracture visualization, report the appropriate open orbital fracture repair code. Do not report 21401 for a procedure that ended as an open repair.

03Does 21401 carry a global period, and what does it cover?

Yes — 90-day global. It includes the day-before visit, the procedure, and all routine post-op care through day 90. E/M visits for problems unrelated to the orbital fracture during that window need modifier 24.

04Is modifier 22 ever appropriate with 21401?

Yes, when the manipulation is substantially more complex than typical — for example, significant comminution, concurrent soft tissue entrapment requiring additional work, or morbid obesity complicating positioning. Document the added time and complexity explicitly; the operative note must support the upcharge.

05How do LT and RT modifiers apply here?

Use LT or RT to identify which orbit was treated. Some payers require laterality modifiers on all facial fracture codes. Missing laterality is a common technical denial trigger for craniofacial codes.

06What imaging is needed to support medical necessity?

A CT scan of the orbits/face documenting displacement is the standard. Plain films are generally insufficient for orbital fractures. The imaging report confirming displacement should be referenced in your pre-op documentation to establish that manipulation — not watchful waiting — was warranted.

Sources & references

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

Mira AI Scribe

Mira's AI scribe captures the fracture displacement description from preop imaging, the specific manipulative technique applied intraoperatively, extraocular movement findings before and after reduction, and the closed approach confirmation — no incision made. This prevents downcoding to the no-manipulation variant and protects against audit flags for vague operative language.

See how Mira captures CPT 21401 documentation