68840 Explore/irrigate tear ducts
Also known as: lacrimal system exploration, duct irrigation
Exploration and irrigation of lacrimal drainage system including canaliculus and nasolacrimal duct.
In Plain Language
flushing and exploring tear duct; checking tear drainage system
Clinical Context
Used for diagnostic evaluation or to remove debris/obstruction from tear system. Common indications include suspected obstruction, foreign body, or system patency verification.
RVU Breakdown
| Work RVU | 1.27 |
| Total RVU | 1.27 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 10-day global period — follow-up visits within 10 days of the procedure are included in the reimbursement. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 1.27, this code ranks in the 7th percentile among Surgery codes — 6.3x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 68840?
CPT 68840 (Explore/irrigate tear ducts) is a Surgery code. Exploration and irrigation of lacrimal drainage system including canaliculus and nasolacrimal duct.
What is the wRVU value for CPT 68840?
The work RVU for CPT 68840 is 1.27. This code is primarily used by Ophthalmology. It has a 10-day global period.
When is CPT 68840 used?
Used for diagnostic evaluation or to remove debris/obstruction from tear system. Common indications include suspected obstruction, foreign body, or system patency verification.
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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.