Quick answer
Hospital prices in Atlanta vary widely even within the same carrier network. A diagnostic colonoscopy (CPT 45378) ranges from $2,704 to $5,272 across 10 area hospitals, and a total knee replacement (CPT 27447) runs from $13,777 to $22,447—proof that brokers must run detailed network analyses before designing health plans.
Key takeaways
- Colonoscopy rates across 10 Atlanta-area hospitals range from $2,704 (Aetna at Piedmont Fayette) to $5,272 (UnitedHealthcare at Wellstar Cobb)
- Total knee replacement rates span $13,777 to $22,447—a nearly $9,000 spread within the same metro
- UnitedHealthcare returned the most consistent colonoscopy rates: 4 hospitals at $3,792 and 4 more at $3,425
- Rates vary widely even within a single carrier, making detailed network analysis essential for plan design
Everyone knows healthcare costs are rising, but it's useful to drill down into the hospital price data to see the true variability in hospital fees. We recently looked at prices for 10 hospitals in and around Atlanta, measuring negotiated rates from Aetna, UnitedHealthcare and Blue Cross for a diagnostic colonoscopy (CPT 45378).
How much does a colonoscopy cost at Atlanta hospitals?
| Carrier | Lowest rate | Highest rate |
|---|---|---|
| Aetna | $2,704 (Piedmont Fayette) | $4,353 (Emory St. Joseph's / Northside Gwinnett) |
| UnitedHealthcare | $2,880 (Grady Health Systems) | $5,272 (Wellstar Cobb Medical Center) |
| Blue Cross Blue Shield | $3,136 (Grady) | $3,933 (Northside) |
Inside the city, Aetna rates ranged from $2,891 at Northside Hospital and Grady Health Systems to $4,353 at Emory St. Joseph’s Hospital and $4,126 at Emory University Hospital Midtown. Outside Atlanta proper, Aetna negotiated rates ranged from $2,704 at Piedmont Fayette to $4,353 at Northside Hospital Gwinnett.
On the whole, Aetna rates are lower than UnitedHealthcare, which ranged from $2,880 at Grady in the city to $5,272 for the procedure at Wellstar Cobb Medical Center in Austell. UnitedHealthcare returned the most consistent rates: Of the 10 hospitals surveyed, 4 came out to $3,792, with 4 more at $3,425.
Six of those hospitals returned rates from Blue Cross Blue Shield ranging from $3,136 (Grady) to $3,933 (Northside).
How much does a knee replacement cost in Atlanta?
| Carrier | Lowest rate | Highest rate |
|---|---|---|
| Aetna | $13,777 (Piedmont-affiliated, outside the city) | $22,447 (Emory Saint Joseph's) |
| UnitedHealthcare | $19,918 (Northside / Emory University Hospital Midtown) | $21,741 (Piedmont hospitals outside Atlanta) |
| Blue Cross Blue Shield | $13,912 (Grady Health Systems) | — |
We can see the same general trends by examining the rates at a few key hospitals for a total knee replacement (CPT 27447). At Northside Atlanta, Aetna returns a rate of $17,805, whereas the Aetna rate for Emory University Hospital Midtown is $20,951 (Emory Saint Joseph’s rate is even higher: $22,447). Negotiated rates for the procedure outside the city are much lower: between $13,777 and $15,523 at Piedmont-affiliated hospitals in Stockbridge, Newnan and Snelville.
UnitedHealthcare rates range from $19,918 at Northside and Emory University Hospital Midtown to $21,741 at Piedmont hospitals outside Atlanta. The lowest Blue Cross price is $13,912 at Grady Health Systems.
What does this mean for brokers?
Negotiated rates at hospitals vary widely even when using the same insurance carrier. For brokers, this means it’s more important than ever to run detailed network analyses and create health plans that effectively steer patients toward high-value providers.
Frequently asked questions
How much does a diagnostic colonoscopy cost in Atlanta?
Across 10 Atlanta-area hospitals, negotiated rates for a diagnostic colonoscopy (CPT 45378) range from $2,704 (Aetna at Piedmont Fayette) to $5,272 (UnitedHealthcare at Wellstar Cobb Medical Center).
How much does a total knee replacement cost in Atlanta?
Negotiated rates for a total knee replacement (CPT 27447) range from $13,777 at Piedmont-affiliated hospitals outside the city to $22,447 at Emory Saint Joseph's—with Blue Cross's lowest rate at $13,912 at Grady.
Do prices vary within the same insurance carrier?
Yes, dramatically. Aetna colonoscopy rates alone span $2,704 to $4,353 across Atlanta-area hospitals—a 61% difference for the identical procedure under the same carrier.
Which carrier had the most consistent rates in Atlanta?
UnitedHealthcare. Of the 10 hospitals surveyed for colonoscopy rates, 4 came out to $3,792 and 4 more at $3,425.
Why does hospital price variation matter for health plan design?
Because steering members toward high-value facilities can save thousands per procedure without sacrificing quality. Detailed network analysis lets brokers build plans that reward members for choosing lower-cost, high-quality providers.
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