2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Cerebrovascular Disease 430-438 > Other And Ill-Defined Cerebrovascular Disease 437.* > 2008 ICD-9-CM Diagnosis 437.6 Nonpyogenic thrombosis of intracranial venous sinus  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 437.6 can be accessed here. 437.6 is a specific code that can be used to specify a diagnosis 437.6 contains 7 index entries View the ICD-9-CM Volume 1 437.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 437.6 excludes: pyogenic (325) Index entries containing 437.6: Embolism 444.9 intracranial (see also Embolism, brain) 434.1 venous sinus (any) 325 nonpyogenic 437.6 in pregnancy or puerperium 671.5 Phlebitis (infective) (pyemic) (septic) (suppurative) 451.9 intracranial sinus (any) (venous) 325 nonpyogenic 437.6 in pregnancy or puerperium 671.5 Syndrome - see also Disease cavernous sinus 437.6 Thrombophlebitis 451.9 cerebral (sinus) (vein) 325 nonpyogenic 437.6 in pregnancy or puerperium 671.5 late effect - see Late effect(s) (of) cerebrovascular disease intracranial venous sinus (any) 325 nonpyogenic 437.6 in pregnancy or puerperium 671.5 late effect - see Late effect(s) (of) cerebrovascular disease Thrombosis, thrombotic (marantic) (multiple) (progressive) (vein) (vessel) 453.9 intracranial (see also Thrombosis, brain) 434.0 venous sinus (any) 325 nonpyogenic origin 437.6 in pregnancy or puerperium 671.5 marantic, dural sinus 437.6