K65.0 — Generalized (acute) peritonitis
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 billing/coding guideline complements LCD L33459 (Computerized Axial Tomography (CT), Thorax); follow the LCD for clinical coverage and any required documentation or prior authorization rules.
- Medical necessity for the CT must be documented in the medical record.
- Documented chest x-ray and/or physical examination findings suggestive of chest pathology should be recorded prior to proceeding to CT thorax.
Key Coverage Criteria
- CT thorax is covered for diagnosis and/or staging of neoplastic and hematologic processes arising in or involving the thorax.
- CT thorax is covered to evaluate pulmonary, mediastinal, pleural, and chest wall infections and their complications.
- CT thorax is covered to detect and characterize mediastinal neoplasms and other mediastinal processes.
- CT thorax is covered for assessment of cardiopulmonary failure or insufficiency.
- CT thorax is covered to detect and determine the nature and extent of cardiovascular abnormalities (e.g., aneurysm, dissection, embolism, thrombosis, congenital anomalies, postoperative complications, atherosclerotic sequelae).
- CT thorax is covered to assess or guide drainage of pulmonary or pleural fluid collections such as abscess, empyema, effusion, or pneumothorax.
5 Active Policies
ANTHEM-CG-LAB-29 — CG-LAB-29 Gamma Glutamyl Transferase Testing
A56421 — Billing and Coding: CT of the Abdomen and Pelvis
A56580 — Billing and Coding: Computerized Axial Tomography (CT), Thorax
L33459 — Computerized Axial Tomography (CT), Thorax
L34415 — CT of the Abdomen and Pelvis
Related Codes
Have a follow-up question?
Ask Verity about documentation requirements, denial risks, or coverage in your state.