{"procedure":{"code_type":"CPT","code":"61543","lay_name":"Surgery to remove part of one side of the brain","blurb":"Opening of the skull to remove or disconnect a large portion of one cerebral hemisphere.","slug":"cpt-61543-surgery-to-remove-part-of-one-side-of-the-brain","description":"Craniotomy Partial/Subtotal Hemispherectomy","name_source":"llm:claude-opus-5","name_reviewed":false,"ccs":{"code":"1","label":"Incision and excision of CNS","surgery_flag":"narrow"}},"settings":{"outpatient":{"setting":"outpatient","computed_at":"2026-09-25T11:55:12.319193Z","corpus_loaded_through":"2026-09-23T22:20:23.317834Z","filing_date_min":"2024-06-18","filing_date_max":"2026-09-22","checked_from":"2026-09-05T10:45:50.833230Z","checked_through":"2026-09-25T01:09:05.284216Z","n_priced_setters":3956,"n_filed":135,"n_usable":123,"n_not_usable":1,"n_labelled":9,"n_no_cash":2,"n_estimated":0,"n_states":32,"cash_p10":1721.3,"cash_p20":2445.8,"cash_p25":3287.44,"cash_p50":4350.0,"cash_p75":6944.0,"cash_p80":8954.4,"cash_p90":9729.85,"cash_mean_trimmed":4942.16,"gross_p50":6577.0,"cash_to_gross_p50":0.65,"medicare_rate":null,"medicare_schedule":null,"medicare_year":null,"cash_to_medicare_p50":null,"by_state":[{"state":"AK","n":1,"p20":null,"p50":null,"p80":null},{"state":"AR","n":2,"p20":null,"p50":null,"p80":null},{"state":"AZ","n":1,"p20":null,"p50":null,"p80":null},{"state":"CA","n":4,"p20":null,"p50":null,"p80":null},{"state":"CO","n":1,"p20":null,"p50":null,"p80":null},{"state":"FL","n":2,"p20":null,"p50":null,"p80":null},{"state":"IA","n":3,"p20":null,"p50":null,"p80":null},{"state":"ID","n":1,"p20":null,"p50":null,"p80":null},{"state":"IL","n":8,"p20":null,"p50":null,"p80":null},{"state":"KS","n":1,"p20":null,"p50":null,"p80":null},{"state":"KY","n":1,"p20":null,"p50":null,"p80":null},{"state":"LA","n":1,"p20":null,"p50":null,"p80":null},{"state":"MD","n":1,"p20":null,"p50":null,"p80":null},{"state":"MI","n":10,"p20":3287.44,"p50":3287.44,"p80":9729.85},{"state":"MN","n":1,"p20":null,"p50":null,"p80":null},{"state":"MO","n":2,"p20":null,"p50":null,"p80":null},{"state":"MT","n":1,"p20":null,"p50":null,"p80":null},{"state":"ND","n":1,"p20":null,"p50":null,"p80":null},{"state":"NE","n":2,"p20":null,"p50":null,"p80":null},{"state":"NH","n":3,"p20":null,"p50":null,"p80":null},{"state":"NJ","n":12,"p20":4350.0,"p50":5110.0,"p80":5855.0},{"state":"NV","n":2,"p20":null,"p50":null,"p80":null},{"state":"NY","n":6,"p20":null,"p50":null,"p80":null},{"state":"OH","n":7,"p20":null,"p50":null,"p80":null},{"state":"OK","n":10,"p20":3574.2,"p50":3574.2,"p80":3574.2},{"state":"OR","n":5,"p20":null,"p50":null,"p80":null},{"state":"PA","n":15,"p20":1355.64,"p50":1602.12,"p80":5254.44},{"state":"TN","n":1,"p20":null,"p50":null,"p80":null},{"state":"TX","n":3,"p20":null,"p50":null,"p80":null},{"state":"VT","n":2,"p20":null,"p50":null,"p80":null},{"state":"WI","n":12,"p20":9729.85,"p50":9729.85,"p80":9729.85},{"state":"WY","n":1,"p20":null,"p50":null,"p80":null}],"by_segment":{"hospital_type":[{"key":"acute","n":97,"p20":2241.6,"p50":3986.0,"p80":6944.0},{"key":"childrens","n":7,"p20":null,"p50":null,"p80":null},{"key":"critical_access","n":18,"p20":null,"p50":null,"p80":null}],"ownership":[{"key":"for_profit","n":11,"p20":null,"p50":null,"p80":null},{"key":"government","n":11,"p20":null,"p50":null,"p80":null},{"key":"nonprofit","n":100,"p20":2765.43,"p50":4627.0,"p80":8954.4}],"affiliation":[{"key":"affiliated","n":95,"p20":1973.1,"p50":4350.0,"p80":9729.85},{"key":"independent","n":28,"p20":2765.43,"p50":4225.2,"p80":6855.0}]},"histogram":[{"lo":1355.64,"hi":1710.04,"n":7},{"lo":1710.04,"hi":2157.1,"n":9},{"lo":2157.1,"hi":2721.03,"n":4},{"lo":2721.03,"hi":3432.39,"n":11},{"lo":3432.39,"hi":4329.72,"n":24},{"lo":4329.72,"hi":5461.64,"n":13},{"lo":5461.64,"hi":6889.47,"n":15},{"lo":6889.47,"hi":8690.58,"n":9},{"lo":8690.58,"hi":10962.56,"n":19},{"lo":10962.56,"hi":13828.5,"n":1}],"previous":null},"inpatient":null},"related":[{"code_type":"CPT","code":"61055","lay_name":"Upper neck spinal tap with contrast or drug injection","slug":"cpt-61055-upper-neck-spinal-tap-with-contrast-or-drug-injection"},{"code_type":"CPT","code":"61020","lay_name":"Brain fluid drainage through an existing skull opening","slug":"cpt-61020-brain-fluid-drainage-through-an-existing-skull-opening"},{"code_type":"CPT","code":"61050","lay_name":"Spinal fluid tap at the top of the neck","slug":"cpt-61050-spinal-fluid-tap-at-the-top-of-the-neck"},{"code_type":"CPT","code":"61026","lay_name":"Brain fluid space puncture with medication injection","slug":"cpt-61026-brain-fluid-space-puncture-with-medication-injection"},{"code_type":"CPT","code":"61154","lay_name":"Skull burr hole to drain a blood clot on the brain","slug":"cpt-61154-skull-burr-hole-to-drain-a-blood-clot-on-the-brain"},{"code_type":"CPT","code":"61108","lay_name":"Small skull drill hole to drain a blood collection","slug":"cpt-61108-small-skull-drill-hole-to-drain-a-blood-collection"},{"code_type":"CPT","code":"61000","lay_name":"Fluid drainage from an infant's soft spot, first tap","slug":"cpt-61000-fluid-drainage-from-an-infant-s-soft-spot-first-tap"},{"code_type":"CPT","code":"61880","lay_name":"Revision or removal of brain stimulator electrodes","slug":"cpt-61880-revision-or-removal-of-brain-stimulator-electrodes"},{"code_type":"CPT","code":"61312","lay_name":"Skull surgery to remove a clot on the upper brain surface","slug":"cpt-61312-skull-surgery-to-remove-a-clot-on-the-upper-brain-surface"},{"code_type":"CPT","code":"61510","lay_name":"Skull surgery to remove an upper brain tumor","slug":"cpt-61510-skull-surgery-to-remove-an-upper-brain-tumor"},{"code_type":"CPT","code":"61512","lay_name":"Skull surgery to remove a meningioma of the upper brain","slug":"cpt-61512-skull-surgery-to-remove-a-meningioma-of-the-upper-brain"},{"code_type":"CPT","code":"61322","lay_name":"Skull opening to relieve pressure on the brain","slug":"cpt-61322-skull-opening-to-relieve-pressure-on-the-brain"}]}