2007 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 View the full Volume 3 01.* hierarchy 01.31 also known as: Drainage of: intracranial hygroma subarachnoid abscess (cerebral) subdural empyema Index entries containing 01.31: Division meninges (cerebral) 01.31 Drainage intracranial space (epidural) (extradural) (incision) (trephination) 01.24 subarachnoid or subdural (incision) (trephination) 01.31 by aspiration 01.09 subarachnoid space, cerebral (incision) (trephination) 01.31 by aspiration 01.09 subdural space, cerebral (incision) (trephination) 01.31 by aspiration 01.09 Incision (and drainage) cerebral (meninges) 01.39 subarachnoid or subdural space 01.31 intracranial (epidural space) (extradural space) 01.24 subarachnoid or subdural space 01.31 meninges (cerebral) 01.31 spinal 03.09 subarachnoid space, cerebral 01.31 subdural space, cerebral 01.31 Removal -- see also Excision foreign body NEC -- see also Incision, by site 98.20 cerebral meninges 01.31 meninges (cerebral) 01.31 spinal 03.01