70170 X-ray examination of tear duct
Also known as: tear duct x-ray, dacryography, lacrimal imaging
Radiographic examination of the lacrimal (tear) duct with dacryography or contrast imaging.
In Plain Language
x-ray of the tear duct
Clinical Context
Used for lacrimal duct obstruction, stenosis, or fistula evaluation.
RVU Breakdown
| Work RVU | 0.30 |
| Total RVU | 0.30 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Radiology codes require a written order, clinical indication, and a formal interpretation report. The professional component (modifier -26) and technical component (modifier -TC) may be billed separately.
How This Code Compares
With a work RVU of 0.30, this code ranks in the 20th percentile among Radiology codes — 2.7x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 70170?
CPT 70170 (X-ray examination of tear duct) is a Radiology code. Radiographic examination of the lacrimal (tear) duct with dacryography or contrast imaging.
Who uses CPT code 70170?
CPT 70170 is used by radiology, ophthalmology. Used for lacrimal duct obstruction, stenosis, or fistula evaluation.
When is CPT 70170 used?
Used for lacrimal duct obstruction, stenosis, or fistula evaluation.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against national data — all in one app.
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.