ICD-9-CM Procedure 01 Incision and excision of skull, brain, and cerebral meninges 01 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 01.0 Cranial puncture 01.0 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 01.01 Cisternal puncture 01.01 is a specific code that can be used to specify a procedure 01.01 contains 3 index entries ICD-9-CM Procedure 01.02 Ventriculopuncture through previously implanted catheter 01.02 is a specific code that can be used to specify a procedure 01.02 contains 5 index entries ICD-9-CM Procedure 01.09 Other cranial puncture 01.09 is a specific code that can be used to specify a procedure 01.09 contains 21 index entries ICD-9-CM Procedure 01.1 Diagnostic procedures on skull, brain, and cerebral meninges 01.1 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 01.11 Closed [percutaneous] [needle] biopsy of cerebral meninges 01.11 is a specific code that can be used to specify a procedure 01.11 contains 6 index entries ICD-9-CM Procedure 01.12 Open biopsy of cerebral meninges 01.12 is a specific code that can be used to specify a procedure 01.12 contains 2 index entries ICD-9-CM Procedure 01.13 Closed [percutaneous] [needle] biopsy of brain 01.13 is a specific code that can be used to specify a procedure 01.13 contains 3 index entries ICD-9-CM Procedure 01.14 Open biopsy of brain 01.14 is a specific code that can be used to specify a procedure 01.14 contains 1 index entry ICD-9-CM Procedure 01.15 Biopsy of skull 01.15 is a specific code that can be used to specify a procedure 01.15 contains 1 index entry ICD-9-CM Procedure 01.18 Other diagnostic procedures on brain and cerebral meninges 01.18 is a specific code that can be used to specify a procedure 01.18 contains 7 index entries ICD-9-CM Procedure 01.19 Other diagnostic procedures on skull 01.19 is a specific code that can be used to specify a procedure 01.19 contains 1 index entry ICD-9-CM Procedure 01.2 Craniotomy and craniectomy 01.2 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 01.21 Incision and drainage of cranial sinus 01.21 is a specific code that can be used to specify a procedure 01.21 contains 2 index entries ICD-9-CM Procedure 01.22 Removal of intracranial neurostimulator 01.22 is a specific code that can be used to specify a procedure 01.22 contains 12 index entries ICD-9-CM Procedure 01.23 Reopening of craniotomy site 01.23 is a specific code that can be used to specify a procedure 01.23 contains 3 index entries ICD-9-CM Procedure 01.24 Other craniotomy (kray-nee-AH-toe-mee) An operation in which an opening is made in the skull. A small opening in the skull made with a surgical drill. Any operation on the cranium or incision into the cranium. (Dorland, 28th ed) The removal of a circular disk of the cranium. It is performed with a trephine, a small circular saw with a center pin mounted on a hollow metal shaft to which is attached a transverse handle. (Random House Unabridged Dictionary, 2d ed) 01.24 is a specific code that can be used to specify a procedure 01.24 contains 18 index entries ICD-9-CM Procedure 01.25 Other craniectomy 01.25 is a specific code that can be used to specify a procedure 01.25 contains 5 index entries ICD-9-CM Procedure 01.26 Insertion of catheter(s) into cranial cavity or tissue 01.26 is a specific code that can be used to specify a procedure 01.26 contains 2 index entries ICD-9-CM Procedure 01.27 Removal of catheter(s) from cranial cavity or tissue 01.27 is a specific code that can be used to specify a procedure 01.27 contains 2 index entries ICD-9-CM Procedure 01.28 Placement of intracerebral catheter(s) via burr hole(s) 01.28 is a specific code that can be used to specify a procedure 01.28 contains 2 index entries ICD-9-CM Procedure 01.3 Incision of brain and cerebral meninges 01.3 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 01.31 Incision of cerebral meninges 01.31 is a specific code that can be used to specify a procedure 01.31 contains 11 index entries ICD-9-CM Procedure 01.32 Lobotomy and tractotomy 01.32 is a specific code that can be used to specify a procedure 01.32 contains 11 index entries ICD-9-CM Procedure 01.39 Other incision of brain 01.39 is a specific code that can be used to specify a procedure 01.39 contains 10 index entries ICD-9-CM Procedure 01.4 Operations on thalamus and globus pallidus 01.4 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 01.41 Operations on thalamus 01.41 is a specific code that can be used to specify a procedure 01.41 contains 5 index entries ICD-9-CM Procedure 01.42 Operations on globus pallidus 01.42 is a specific code that can be used to specify a procedure 01.42 contains 5 index entries ICD-9-CM Procedure 01.5 Other excision or destruction of brain and meninges 01.5 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 01.51 Excision of lesion or tissue of cerebral meninges 01.51 is a specific code that can be used to specify a procedure 01.51 contains 14 index entries ICD-9-CM Procedure 01.52 Hemispherectomy A neurosurgical procedure that removes or disconnects the epileptogenic CEREBRAL CORTEX of a hemisphere. Hemispherectomy is usually performed for patients with intractable unilateral EPILEPSY due to malformations of cortical development or brain lesions. Depending on the epileptogenic area in the hemisphere, cortical removal can be total or partial. 01.52 is a specific code that can be used to specify a procedure 01.52 contains 3 index entries ICD-9-CM Procedure 01.53 Lobectomy of brain 01.53 is a specific code that can be used to specify a procedure 01.53 contains 3 index entries ICD-9-CM Procedure 01.59 Other excision or destruction of lesion or tissue of brain 01.59 is a specific code that can be used to specify a procedure 01.59 contains 16 index entries ICD-9-CM Procedure 01.6 Excision of lesion of skull 01.6 is a specific code that can be used to specify a procedure 01.6 contains 5 index entries