K72.01 — Acute and subacute hepatic failure with coma
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- This billing and coding article provides guidelines that complement Local Coverage Determination L34415 for CT of the abdomen and pelvis; consult LCD L34415 for specific coverage indications, limitations, and documentation requirements.
- This article provides billing/coding guidelines that complement Local Coverage Determination L34417 for CT of the head; consult LCD L34417 for specific coverage, coding, and documentation requirements.
- This article provides billing, coding, and guideline information that complements Local Coverage Determination (LCD) L34544; consult LCD L34544 for clinical eligibility, coverage criteria, and required documentation for hospice services for liver disease.
- The ordering/referring practitioner's assessment related to the patient's complaint and the specific reason for the test must be documented in the medical record.
Key Coverage Criteria
- Non-invasive vascular diagnostic tests are covered when ordered by the treating practitioner or a consulting physician who will use the results to manage the beneficiary's specific medical problem.
- A documented referral/order must be on record for each individual non-invasive vascular study performed for coverage to apply.
- Cerebrovascular arterial duplex follow-up is covered annually for stenosis 20–49% (diameter reduction).
- Cerebrovascular arterial duplex follow-up is covered every six months for stenosis 50–79% (diameter reduction).
- Cerebrovascular arterial duplex follow-up is covered every six months for stenosis 80–99% if surgical correction has not been performed.
- After carotid endarterectomy, repeat ipsilateral (unilateral) duplex examinations are allowable at approximately six weeks, six months, and one year post‑procedure during the first year.
13 Active Policies
L33627 — Non-Invasive Vascular Studies
J06
A56758 — Billing and Coding: Non-Invasive Vascular Studies
J06
ANTHEM-CG-LAB-24 — CG-LAB-24 Outpatient Urine Culture
A56421 — Billing and Coding: CT of the Abdomen and Pelvis
A56612 — Billing and Coding: CT of the Head
Related Codes
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