0594T Osteot humerus external lngth device
Also known as: Humerus lengthening, Arm lengthening with external fixator
Osteotomy of the humerus (upper arm bone) using external fixation and lengthening device to correct deformity or achieve limb lengthening. This Category III code represents surgical repositioning and gradual lengthening.
In Plain Language
Arm bone surgery with gradual lengthening device
Clinical Context
Used for limb length discrepancy, bone deformity correction, or limb lengthening in the humerus via surgical osteotomy and external fixation with distraction techniques.
RVU Information
CPT 0594T does not have a physician work RVU assigned by CMS. Category III codes for emerging technology do not receive RVU assignments. Reimbursement is negotiated with individual payers.
Billing & Documentation
Category III codes are temporary codes for emerging technology, services, and procedures. They are not assigned RVU values by CMS. Coverage and reimbursement vary by payer — check with individual insurers before billing. These codes sunset after 5 years if not converted to Category I.
Specialties
Frequently Asked Questions
What is CPT code 0594T?
CPT 0594T (Osteot humerus external lngth device) is a Category III code. Osteotomy of the humerus (upper arm bone) using external fixation and lengthening device to correct deformity or achieve limb lengthening. This Category III code represents surgical repositioning and gradual lengthening.
Is 0594T a permanent CPT code?
No — 0594T is a Category III temporary code for emerging technology. It may be converted to a permanent Category I code if widely adopted. Category III codes expire after 5 years without renewal.
When is CPT 0594T used?
Used for limb length discrepancy, bone deformity correction, or limb lengthening in the humerus via surgical osteotomy and external fixation with distraction techniques.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.