Open surgical treatment of a single finger interphalangeal joint dislocation, with or without internal or external fixation

Verified May 8, 2026 · 7 sources ↓

Medicare: $524.39
Work RVU: 6.44
Global, days: 90
Region: Hand

Drawn from CMSAAPCFindacodeEatonhandAAOS

Documentation requirements

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

Source · Editorial brief grounded in 7 cited references ↓

Specify the exact digit and joint treated (e.g., right index finger PIP joint) — vague documentation like 'finger joint' invites downcoding or denial
State that open reduction was performed and document why open approach was chosen (e.g., failed closed reduction, irreducible dislocation, interposed soft tissue)
Document whether internal or external fixation was used and specify hardware type, size, and placement site
Record pre-reduction and post-reduction neurovascular status of the digit
Operative note must describe joint exposure, confirmation of reduction under direct visualization, and wound closure method
If multiple digits treated, each must be individually documented with joint identification to support separate line billing

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 51 Multiple procedures 52 Reduced services 58 Staged or related 59 Distinct service 62 Co-surgeons 76 Repeat, same physician 77 Repeat, another physician 78 Unplanned return — related 79 Unrelated during global LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 7 cited references ↓

CPT 26785 covers open reduction of a single interphalangeal (IP) joint dislocation of the finger — proximal (PIP) or distal (DIP) — where closed methods have failed or are not appropriate. The surgeon opens the joint, reduces the dislocation under direct visualization, and may stabilize it with internal fixation hardware such as Kirschner wires, pins, or screws, or external fixation. The "with or without fixation" language means fixation does not change the code — 26785 is correct regardless of whether hardware is placed.

This code carries a 90-day global period. That global covers the preoperative day-before visit, the procedure itself, and all routine postoperative management through day 90, including dressing changes, suture removal, and uncomplicated hardware checks. Separate E/M visits during that window require modifier 24 (unrelated) or modifier 25 is not applicable post-operatively — use modifier 24 for unrelated post-op E/M. New problems or complications requiring a return to the OR for a related procedure use modifier 78; unrelated procedures during the global use modifier 79.

For multiple fingers dislocated and treated open in the same session, bill 26785 for the primary finger, then 26785-51 (or per payer preference, 26785-59 with documentation of distinct digit) for each additional finger. Laterality modifiers LT and RT are appropriate when the operative site must be specified. Always confirm NCCI edits when combining 26785 with other hand codes on the same date.

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 (6.44) is the surgeon's own effort — the figure physician pay and productivity targets are built on. The total RVU (15.7) adds practice overhead and malpractice, and is what drives the Medicare payment below.

Work RVU	6.44
Practice expense RVU	8.01
Malpractice RVU	1.25
Total RVU	15.7
Medicare national rate	$524.39
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	$524.39
HOPD (APC 5113) Hospital outpatient department	$3,342.87
ASC (PI A2) Ambulatory surgical center (freestanding)	$1,644.87

Common denial reasons

The recurring reasons claims for CPT 26785 get rejected.

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

Bundling denial when 26785 is billed alongside other hand fracture or dislocation codes without a modifier establishing distinct service or distinct digit
Global period conflict — E/M services billed within the 90-day global without modifier 24, triggering automatic denial
Mismatch between ICD-10 diagnosis code and procedure: non-specific dislocation codes (e.g., S63.2XXA without digit specificity) flagged against a single-digit surgical code
Payer downcodes to closed treatment (26770 or 26775) when operative note does not explicitly state open approach or fails to document why open was necessary
Missing laterality when payer policy requires LT or RT on hand/finger procedures, resulting in claim suspension or rejection

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 7 cited references ↓

01Does it matter whether I used a K-wire versus a screw — do I need a different code?

No. CPT 26785 covers open treatment with or without internal or external fixation. The type of hardware does not change the code. Document what you used, but don't change the CPT.

02If I treat two dislocated fingers open in the same session, how do I bill?

Bill 26785 for the primary finger (highest RVU position). Bill a second unit of 26785 with modifier 51 for the additional finger. Some payers prefer modifier 59 with distinct digit documentation — check your payer contracts. Each finger must be individually identified in the operative note.

03Can I bill an E/M visit the same day as 26785?

Yes, if the E/M was a significant, separately identifiable service that led to the surgical decision and was above the usual pre-service work. Append modifier 57 to the E/M when the decision for surgery was made that day. Modifier 25 applies to same-day minor procedures (10-day global), not 90-day global procedures like 26785.

04What's the correct modifier if the patient returns to the OR during the 90-day global for a complication of this procedure?

Use modifier 78 for an unplanned return to the OR for a complication or issue directly related to the original 26785 procedure. Modifier 79 is for a completely unrelated procedure performed during the global period.

05Which ICD-10 codes pair correctly with 26785?

Use codes from the S63.2x– series (dislocation of interphalangeal joint of finger) with the appropriate digit and laterality extensions. Specificity to the digit and initial versus subsequent encounter (7th character) is required. Non-specific or fracture-only codes will trigger edits.

06Is CPT 26785 appropriate for a thumb IP joint dislocation treated open?

Yes. The thumb interphalangeal joint is an interphalangeal joint of the finger for CPT purposes. 26785 is appropriate for open treatment of the thumb IP joint dislocation. Use RT or LT to specify laterality.

Sources & references

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

Mira Scribe

Mira's AI scribe captures the operative approach (open reduction), specific digit and joint level (e.g., right long finger PIP), fixation decision with hardware detail, and the clinical reason open treatment was required. This prevents the most common audit flag on 26785: operative notes that omit why open reduction was chosen, which gives payers grounds to downcode to a closed-treatment code and deny the open-procedure reimbursement.

See how Mira captures CPT 26785 documentation