Percutaneous cryoablation of one or more bone tumors, including destruction of adjacent soft tissue involved by tumor extension, with imaging guidance bundled into the code when performed.

Verified May 8, 2026 · 5 sources ↓

Medicare: $4,905.92
Total RVUs: 146.88
Global, days: 0
Region: General

Drawn from CMSBostonscientificNIHCgsmedicare

Documentation requirements

What must appear in the operative or office note to support the claim.

Source · Editorial brief grounded in 5 cited references ↓

Imaging findings confirming bone tumor location, size, and extent of soft tissue involvement prior to the procedure
Diagnosis documentation establishing medical necessity — typically metastatic disease or primary bone tumor with ICD-10 code matched to the claim
Operative/procedure note naming the specific tumor(s) treated, number of lesions, percutaneous approach, probe placement, and cryo-cycle parameters
Documentation of imaging guidance used during the procedure (CT, MRI, or ultrasound) — required to support inclusion within the code descriptor
Post-ablation imaging or monitoring findings confirming treatment zone coverage
Tumor size and anatomic location documented by name — vague references to 'bone lesion' without cross-referencing imaging invite medical necessity denials

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 25 Significant separate E/M 26 Professional component 50 Bilateral procedure 51 Multiple procedures 52 Reduced services 59 Distinct service 76 Repeat, same physician 77 Repeat, another physician 78 Unplanned return — related 79 Unrelated during global LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 5 cited references ↓

CPT 20983 covers percutaneous cryoablation — the use of extreme cold delivered through a needle or probe inserted through the skin — to destroy one or more bone tumors such as metastatic lesions, along with any adjacent soft tissue invaded by tumor extension. Imaging guidance (CT, MRI, or ultrasound) is included in the code when used; you cannot separately bill guidance codes such as 77012, 76942, or 77021 alongside 20983 for the same session. The global period is 000, meaning no pre- or post-operative work is bundled — E/M services on the same day require modifier 25, and any follow-up procedures stand alone.

This code sits in a high-complexity, high-payment tier. Interventional radiology performs the majority of these cases under the Medicare Physician Fee Schedule data. The procedure is most commonly performed in the hospital outpatient or ASC setting; facility billing triggers APC 5114. Supply item C2618 (cryoablation probe/needle) is reported per unit used but is packaged under OPPS and ASC — no separate payment flows to the facility for the device. Physician billing in the facility setting uses modifier 26 for the professional component when applicable.

RVU & reimbursement

Component RVUs and Medicare national rate. Actual payment varies by GPCI locality.

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	6.71
Practice expense RVU	139.34
Malpractice RVU	0.83
Total RVU	146.88
Medicare national rate	$4,905.92
Global period	0 days

Payment by site of service

Medicare pays different rates by setting. HOPD typically pays substantially more than ASC for the same procedure.

Source · CMS OPPS Addendum B·ASC HCPCS payment rates·2026

Setting	Medicare rate (national)
Office (PFS non-facility) Procedure performed in physician's office	$4,905.92
HOPD (APC 5114) Hospital outpatient department	$7,413.38
ASC (PI J8) Ambulatory surgical center (freestanding)	$5,274.34

Common denial reasons

The recurring reasons claims for CPT 20983 get rejected.

Source · Editorial brief grounded in CMS NCCI edits, AAOS coding appeals, and cited references ↓

Medical necessity not established — missing or mismatched diagnosis code; metastatic bone tumor ICD-10 must be clearly linked on the claim
Separately billed imaging guidance (77012, 76942, 77021) on the same date — imaging guidance is bundled into 20983 and will deny as unbundling
Prior authorization not obtained — high-payment ablation procedures trigger pre-auth requirements at most commercial payers and many Medicare Advantage plans
Modifier 26 missing when billing professional component in a facility setting, causing claim to process at non-facility rate or reject
ICD-10 diagnosis code reflects primary malignancy rather than metastatic bone lesion when the treated site is a secondary tumor

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 5 cited references ↓

01Is imaging guidance separately billable with CPT 20983?

No. The code descriptor includes imaging guidance when performed. Billing 77012, 76942, or 77021 on the same date for the same session will trigger an NCCI bundling denial. If a separate, distinct procedure performed the same day requires its own imaging guidance, that guidance may be separately reported with an appropriate NCCI-associated modifier.

02What modifier is required when billing 20983 in a hospital outpatient or ASC setting?

Use modifier 26 for the professional component when the physician is billing separately from the facility. The facility bills under APC 5114. Omitting modifier 26 in a facility setting causes the claim to process incorrectly or reject outright.

03Can 20983 be billed for multiple lesions treated in the same session?

CPT 20983 covers one or more bone tumors in a single session — multiple lesions do not automatically warrant multiple units. If the work was significantly greater than usual due to lesion count, size, or complexity, modifier 22 with supporting documentation is the correct approach. Submit a detailed operative note quantifying the additional effort.

04What is the global period for 20983, and how does that affect same-day E/M billing?

The global period is 000 — zero pre-op days and zero post-op days are bundled. A same-day evaluation and management service is still subject to the modifier 25 requirement if performed by the same physician on the same date, documenting a separate, significant, identifiable service beyond the ablation decision.

05Does the cryoablation probe (C2618) generate separate facility payment?

No. Under OPPS and ASC payment rules, C2618 is packaged — it does not produce a separate line-item payment for the facility. Hospitals and ASCs must report it per unit used for tracking purposes, but reimbursement is folded into the APC 5114 payment.

06Which payer type most commonly performs and bills 20983?

CMS Physician Fee Schedule utilization data shows interventional radiology as the top performing specialty. Orthopedic surgeons and musculoskeletal oncologists also perform the procedure, but IR dominates volume. This matters for credentialing and prior auth — some payers restrict coverage to IR or oncology-trained providers.

Sources & references

Editorial content was developed using the following public sources. Last verified May 8, 2026.

Mira AI Scribe

Mira's AI scribe captures the tumor count, anatomic location by name, probe insertion approach, imaging modality used for guidance, cryo-cycle details, and extent of soft tissue involvement from the operative dictation. That specificity directly supports bundled imaging guidance, prevents unbundling denials for separately billed guidance codes, and locks in the diagnosis-to-procedure link auditors require for high-payment ablation claims.

See how Mira captures CPT 20983 documentation