Summary & Overview
CPT 67334: Posterior Fixation Suture for Strabismus Repair
CPT code 67334 is an add-on surgical code for strabismus repair that denotes the use of a posterior fixation suture to alter extraocular muscle function. Nationally, accurate reporting of this add-on code matters for clinical documentation, claims adjudication, and aggregated procedure utilization tracking because it distinguishes when the posterior fixation technique is employed in conjunction with primary strabismus surgery. Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code’s clinical intent and service setting, guidance on common payer coverage dynamics, and an overview of typical billing considerations tied to add-on reporting. The publication also summarizes benchmarks and policy-related updates relevant to surgical add-on coding, highlights common modifier interactions and payer practice patterns, and provides clinical context for when posterior fixation sutures are used in strabismus management. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 67334 describes an add-on surgical procedure used in strabismus repair where the provider places a posterior fixation suture to realign extraocular muscles. This technique is reported in addition to a primary strabismus procedure to indicate the specific use of posterior fixation suture methodology.
-
Service type: Surgical add-on procedure for ophthalmic muscle surgery
-
Typical site of service: Ambulatory surgical center or hospital outpatient department
Clinical & Coding Specifications
Clinical Context
A 28-year-old patient presents with symptomatic incomitant strabismus causing diplopia and cosmetic concern. After comprehensive evaluation including ocular motility testing and prism measurement, the ophthalmic surgeon schedules a strabismus repair using a posterior fixation suture (faden) technique to weaken the rotational effect of a previously functioning extraocular muscle without altering primary insertion position. The procedure is performed in an ambulatory surgical center under monitored anesthesia care. Intraoperative steps include localization of the target rectus muscle, placement of a nonabsorbable posterior fixation suture on the muscle belly approximately 12–14 mm posterior to the insertion, assessment of ocular alignment, and conjunctival closure. Postoperative workflow includes recovery in PACU, brief ophthalmic exam to confirm globe perfusion and motility, patient discharge with topical antibiotics and anti-inflammatory drops, and outpatient follow-up within 1–2 weeks to assess alignment and healing.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when reporting only the surgeon's professional service separate from facility/surgical supply billing (rare for global surgical CPT reporting). |
50 |