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Keyhole Look Inside A Knuckle Joint

Washington, DC rates for HCPCS 29900

A keyhole examination of a knuckle joint at the base of a finger. A very fine camera is passed through a tiny opening so the surgeon can look directly inside the joint, and a small sample of the joint lining is taken for examination. It is used when the cause of ongoing pain, swelling or catching in the joint is not clear from examination and scans.

Rates data updated July 2026.

How much does Keyhole Look Inside A Knuckle Joint cost?

$631

Typical physician fee. In Washington, DC, July 2026.

Insurers have agreed to pay about $631 for this service. Most negotiated rates run $537 to $3,981.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $4,074 · 10th to 90th $537 to $7,762Professionalmedian $537 · 10th to 90th $513 to $1,023
$500$1K$2K$5K$10K$20Kfacility $4,074professional $537

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$537.03
Median
$4,073.80
Typical High
$7,762.47
Aetna
Setting
Professional
Modifier
Global
Typical Low
$512.86
Median
$537.03
Typical High
$630.96
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$512.86
Median
$2,398.83
Typical High
$6,456.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$512.86
Median
$575.44
Typical High
$1,412.54
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$524.81
Median
$1,023.29
Typical High
$1,202.26
United
Setting
Facility
Modifier
Global
Typical Low
$3,235.94
Median
$10,000.00
Typical High
$27,542.29
United
Setting
Professional
Modifier
Global
Typical Low
$398.11
Median
$707.95
Typical High
$1,412.54

Where Washington, DC sits

The same service costs 7.8 times more in California than in Delaware. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Washington, DC· 35th of 51

$631

CA $3,981DE $513

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.