Surgery and procedures CPT 20550 Inpatient — admitted to hospital

Tendon sheath injection cost in Baltimore, MD — inpatient

In Baltimore-Columbia-Towson, MD, 2 hospitals list a cash price for injection into a tendon sheath or ligament (for example trigger finger) as an inpatient: from $128.00 to $192.19, with a median of $160.10. The lowest listed price is at Greater Baltimore Medical Center — $32.10 less than the median here. Across Maryland, the median is $171.60 at 4 hospitals.

Cash prices at 2 facilities across 2 cities for code 20550, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.

Lowest$128.00Greater Baltimore Medical Center
Median$160.10half pay less
Highest$192.19in this market
Difference1.5×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Baltimore-Columbia-Towson, MD.

median
Lowest $128.00Highest $192.19

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Greater Baltimore Medical Center lowest Towson, MD · (443) 849-2000 Injection 1 Tendon Sheath/Ligament Aponeurosis $128.00 $128.00 $101.54–$128.00 — —
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Greater Baltimore Medical Center lowest Towson, MD · (443) 849-2000 Injection 1 Tendon Sheath/Ligament Aponeurosis $128.00 $128.00 $61.76–$128.00 — —
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Mercy Medical Center Baltimore, MD · (410) 332-9237 HC INJECT TENDON SHEATH/LIGAMENT $192.19 $196.11 $196.11–$192.19 2% —
source file

Inpatient: lowest $128.00, median $160.10, highest $192.19 — a 1.5× difference within the same market.

As an outpatient, the same code is billed by 3 facilities here, median $192.19 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 0 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.

What it is

This code covers a steroid injection into a tendon sheath or ligament, such as for trigger finger, de Quervain's tenosynovitis or plantar fasciitis.

What the price covers

The price usually covers the injection. The steroid or other medicine may be billed separately.