77072 Bone age studies
Also known as: Bone age study, Skeletal maturity assessment
Radiographic study to assess skeletal maturity and bone age of a patient.
In Plain Language
X-ray to check how developed a child's bones are
Clinical Context
Used in pediatric patients to determine skeletal maturity, evaluate growth disorders, assess bone age versus chronologic age, and guide endocrine or orthopedic management.
RVU Breakdown
| Work RVU | 0.19 |
| Total RVU | 0.19 |
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 0.19, this code ranks in the 9th percentile among Radiology codes — 4.3x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 77072?
CPT 77072 (Bone age studies) is a Radiology code. Radiographic study to assess skeletal maturity and bone age of a patient.
Who uses CPT code 77072?
CPT 77072 is used by Radiology, Pediatrics, Endocrinology. Used in pediatric patients to determine skeletal maturity, evaluate growth disorders, assess bone age versus chronologic age, and guide endocrine or orthopedic management.
When is CPT 77072 used?
Used in pediatric patients to determine skeletal maturity, evaluate growth disorders, assess bone age versus chronologic age, and guide endocrine or orthopedic management.
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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.