I70.45 — Atherosclerosis of autologous vein bypass graft(s) of other extremity with ulceration
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- The patient's medical record must fully document medical necessity for the cardiac catheterization and support the diagnosis and procedures billed.
- Each claim must include ICD-10-CM diagnosis code(s) that accurately reflect the patient's condition and reason for the procedure and these codes must be linked to the CPT procedure codes on the claim.
- When a referring/ordering physician is required, the name and NPI of the referring/ordering physician must be reported on the claim; for extra-cardiac angiographic services the treating physician's name and NPI must be submitted in items 17/17a of CMS-1500 or electronic equivalent.
- For patients post-heart transplant without evidence of rejection, use primary diagnosis Z09 (follow-up after completed treatment) and secondary diagnosis Z94.1 (heart transplant status); add the underlying disorder code when coding I25.82 or I31.4.
Key Coverage Criteria
- Medicare Part B covers the professional component of cardiac catheterization and coronary angiography when performed in hospital inpatient and outpatient facility settings.
- Diagnostic cardiac catheterization performed in an office setting (where permitted) is covered under Medicare Part B for both professional and technical components.
- Global and technical component procedures are covered under Part B when performed under personal physician supervision in an IDTF, free-standing facility, physician office, or physician-directed clinic (physician present in room for entire procedure).
- Traditional negative pressure wound therapy (NPWT) devices, units, and supplies are covered under the Durable Medical Equipment (DME) benefit when they meet DME LCD coverage criteria and medical necessity.
- CPT codes 97597, 97598, and wound debridement codes 11042-11047 may be covered when the medical record documents medical necessity consistent with L37228 Wound Care criteria and Medicare reasonable-and-necessary requirements.
- Coverage for non-emergent outpatient stress testing is subject to the reasonable and necessary requirements in Local Coverage Determination L35083 and is allowed only when L35083 clinical criteria are met.
20 Active Policies
L37228 — Wound Care
J05
A55909 — Billing and Coding: Wound Care
J05
A56758 — Billing and Coding: Non-Invasive Vascular Studies
J06
L33557 — Cardiac Catheterization and Coronary Angiography
J06
L33633 — Magnetic Resonance Angiography (MRA)
Related Codes
Have a follow-up question?
Ask Verity about documentation requirements, denial risks, or coverage in your state.