22010

Open incision and drainage of a deep subfascial abscess located along the posterior cervical, thoracic, or cervicothoracic spine

Verified May 8, 2026 · 6 sources ↓

Medicare: $950.92
Total RVUs: 28.47
Global, days: 90
Region: Spine

Drawn from CMSCgsmedicareMdclarityAAPC

Documentation requirements

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

Source · Editorial brief grounded in 6 cited references ↓

Specify spinal region explicitly: cervical, thoracic, or cervicothoracic — not just 'posterior spine'
Confirm subfascial depth of abscess in the operative note; superficial drainage does not support 22010
Document open surgical approach with description of fascial incision and depth of dissection
Include pre-op imaging (MRI or CT) confirming abscess location and extent at the documented spinal level
Record cultures obtained intraoperatively and irrigation/debridement steps performed
Note any hardware or implants in the operative field that influenced the approach or complexity

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 24 Unrelated E/M during global 25 Significant separate E/M 50 Bilateral procedure 51 Multiple procedures 52 Reduced services 57 Decision for surgery 58 Staged or related 62 Co-surgeons 78 Unplanned return — related 79 Unrelated during global 80 Assistant surgeon AS PA/NP/CNS assistant LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 6 cited references ↓

22010 covers open surgical I&D of a deep (subfascial) abscess of the posterior spine at the cervical, thoracic, or cervicothoracic level. This is not a percutaneous or minimally invasive procedure — it requires a formal open approach to access infection below the fascia. The companion code 22015 covers the same procedure at the lumbar or lumbosacral level; selecting the wrong one based on spinal level is a frequent claim error.

22010 carries a 90-day global period. Routine post-op wound checks, dressing changes, and follow-up visits related to the abscess are bundled into that global through day 90. If a separate, unrelated condition requires an E/M visit during that window, append modifier 24. If the patient returns to the OR for a related procedure — such as repeat drainage or debridement of the same infection — use modifier 78. An unrelated procedure during the global period takes modifier 79.

Bilateral reporting is uncommon for this code given its anatomical context, but if performed on both sides of the posterior spine in a single session, ASC facilities report two claim lines with modifiers LT and RT per NCCI policy. Hospital outpatient and physician claims report bilateral with modifier 50 appended to a single line. Document the spinal region explicitly — cervical, thoracic, or cervicothoracic — in the operative note, not just 'posterior spine.'

RVU & reimbursement

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

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	12.43
Practice expense RVU	12.05
Malpractice RVU	3.99
Total RVU	28.47
Medicare national rate	$950.92
Global period	90 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	$950.92
HOPD (APC 5114) Hospital outpatient department	$7,413.38
ASC (PI G2) Ambulatory surgical center (freestanding)	$3,695.53

Common denial reasons

The recurring reasons claims for CPT 22010 get rejected.

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

Wrong spinal level — billing 22010 for a lumbar abscess that should be coded as 22015
Insufficient documentation of subfascial depth; payers deny when notes describe only superficial or subcutaneous drainage
Missing or non-specific spinal region in the operative note — 'posterior cervicothoracic' must be stated, not implied
Separate E/M billed during the 90-day global without modifier 24, triggering bundling denial
Modifier 78 omitted when patient returns to OR for repeat drainage of the same abscess during the global period

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 6 cited references ↓

01What distinguishes 22010 from 22015?

Spinal level is the only differentiator. 22010 is for cervical, thoracic, or cervicothoracic posterior abscess; 22015 is for lumbar or lumbosacral. Depth and approach requirements are the same.

02Can 22010 be billed with an E/M on the same day as the procedure?

Only if the E/M is a significant, separately identifiable service unrelated to the decision to perform the drainage. Append modifier 25 to the E/M. If the visit is solely pre-op evaluation for the I&D, it is bundled.

03What modifier applies if the patient returns to the OR for repeat drainage of the same abscess during the 90-day global?

Modifier 78 — unplanned return to the OR for a related procedure during the postoperative period. Do not use modifier 79, which is reserved for unrelated procedures.

04How should a bilateral posterior cervical abscess drainage be reported in the ASC versus the hospital outpatient setting?

ASCs report two claim lines each with one unit of service, one with modifier LT and one with RT per NCCI policy. Hospital outpatient and physician billing uses modifier 50 on a single line.

05Is imaging guidance separately billable with 22010?

Not if imaging guidance is integral to the open drainage procedure itself. Per NCCI policy, do not separately report fluoroscopy or CT guidance codes when they are included in the primary surgical procedure. If distinct imaging guidance is performed for a separate procedure on the same date, it may be reportable with an NCCI-associated modifier if clinically appropriate.

06When is modifier 22 appropriate with 22010?

When the procedure required substantially greater work than typical — for example, extensive debridement due to epidural extension, involvement of instrumented fusion hardware, or prior surgical scarring that significantly complicated access. The operative note must describe the specific factors that increased complexity; modifier 22 without supporting documentation will be denied.

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 spinal region (cervical, thoracic, or cervicothoracic), confirms the subfascial approach is documented by name, and flags the depth of dissection relative to the fascia from the surgeon's dictation. This prevents the two most common audit triggers for 22010: a vague approach description that can't support subfascial billing, and a missing or ambiguous spinal level that causes the claim to land on 22015 or be denied outright.

See how Mira captures CPT 22010 documentation