2023

  1. ICD-10-CM Codes
    2. ›
  2. I00-I99
    3. ›
  3. I60-I69
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  4. I67-
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  5. 2023 ICD-10-CM Diagnosis Code I67.6

2023 ICD-10-CM Diagnosis Code I67.6

Nonpyogenic thrombosis of intracranial venous system

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • I67.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM I67.6 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of I67.6 - other international versions of ICD-10 I67.6 may differ.
Applicable To
  • Nonpyogenic thrombosis of cerebral vein
  • Nonpyogenic thrombosis of intracranial venous sinus
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I67.6. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • nonpyogenic thrombosis of intracranial venous system causing infarction (
    ICD-10-CM Diagnosis Code I63.6

    Cerebral infarction due to cerebral venous thrombosis, nonpyogenic

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    I63.6
    )
The following code(s) above I67.6 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to I67.6:
  • I00-I99
    2023 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • systemic connective tissue disorders (M30-M36)
    • transient cerebral ischemic attacks and related syndromes (G45.-)
    Diseases of the circulatory system
  • I60-I69
    2023 ICD-10-CM Range I60-I69

    Cerebrovascular diseases

    Type 1 Excludes
    • traumatic intracranial hemorrhage (S06.-)
    Use Additional
    • code to identify presence of:
    • alcohol abuse and dependence (F10.-)
    • exposure to environmental tobacco smoke (Z77.22)
    • history of tobacco dependence (Z87.891)
    • hypertension (I10-I16)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Cerebrovascular diseases
  • I67
    ICD-10-CM Diagnosis Code I67

    Other cerebrovascular diseases

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • sequelae of the listed conditions (I69.8)
    Other cerebrovascular diseases
Approximate Synonyms
  • Cavernous sinus syndrome
ICD-10-CM I67.6 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 091 Other disorders of nervous system with mcc
  • 092 Other disorders of nervous system with cc
  • 093 Other disorders of nervous system without cc/mcc

Convert I67.6 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to I67.6:
  • Code Also: G96.81
    ICD-10-CM Diagnosis Code G96.81

    Intracranial hypotension

      2021 - New Code 2022 2023 Non-Billable/Non-Specific Code
    Code Also
    • any associated diagnoses, such as:
    • Brachial amyotrophy (G54.5)
    • Cerebrospinal fluid leak from spine (G96.02)
    • Cranial nerve disorders in diseases classified elsewhere (G53)
    • Nerve root and compressions in diseases classified elsewhere (G55)
    • Nonpyogenic thrombosis of intracranial venous system (I67.6)
    • Nontraumatic intracerebral hemorrhage (I61.-)
    • Nontraumatic subdural hemorrhage (I62.0-)
    • Other and unspecified cord compression (G95.2-)
    • Other secondary parkinsonism (G21.8)
    • Reversible cerebrovascular vasoconstriction syndrome (I67.841)
    • Spinal cord herniation (G95.89)
    • Stroke (I63.-)
    • Syringomyelia (G95.0)
  • Type 1 Excludes: G08
    ICD-10-CM Diagnosis Code G08

    Intracranial and intraspinal phlebitis and thrombophlebitis

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Septic embolism of intracranial or intraspinal venous sinuses and veins
    • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
    • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
    • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
    • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
    Type 1 Excludes
    • intracranial phlebitis and thrombophlebitis complicating:
    • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
    • pregnancy, childbirth and the puerperium (O22.5, O87.3)
    • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
    Type 2 Excludes
    • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
  • Type 2 Excludes: I82
    , I82
    ICD-10-CM Diagnosis Code I82

    Other venous embolism and thrombosis

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code First
    • venous embolism and thrombosis complicating:
    • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
    • pregnancy, childbirth and the puerperium (O22.-, O87.-)
    Type 2 Excludes
    • venous embolism and thrombosis (of):
    • cerebral (I63.6, I67.6)
    • coronary (I21-I25)
    • intracranial and intraspinal, septic or NOS (G08)
    • intracranial, nonpyogenic (I67.6)
    • intraspinal, nonpyogenic (G95.1)
    • mesenteric (K55.0-)
    • portal (I81)
    • pulmonary (I26.-)
    ICD-10-CM Diagnosis Code I82

    Other venous embolism and thrombosis

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code First
    • venous embolism and thrombosis complicating:
    • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
    • pregnancy, childbirth and the puerperium (O22.-, O87.-)
    Type 2 Excludes
    • venous embolism and thrombosis (of):
    • cerebral (I63.6, I67.6)
    • coronary (I21-I25)
    • intracranial and intraspinal, septic or NOS (G08)
    • intracranial, nonpyogenic (I67.6)
    • intraspinal, nonpyogenic (G95.1)
    • mesenteric (K55.0-)
    • portal (I81)
    • pulmonary (I26.-)

Diagnosis Index entries containing back-references to I67.6:
  • Embolism (multiple) (paradoxical) I74.9
    ICD-10-CM Diagnosis Code I74.9

    Embolism and thrombosis of unspecified artery

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • intracranial - see also Occlusion, artery, cerebral
      • venous sinus (any) G08
        ICD-10-CM Diagnosis Code G08

        Intracranial and intraspinal phlebitis and thrombophlebitis

          2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
        Applicable To
        • Septic embolism of intracranial or intraspinal venous sinuses and veins
        • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
        • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
        • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
        • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
        Type 1 Excludes
        • intracranial phlebitis and thrombophlebitis complicating:
        • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
        • pregnancy, childbirth and the puerperium (O22.5, O87.3)
        • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
        Type 2 Excludes
        • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
        • nonpyogenic I67.6
  • Phlebitis (infective) (pyemic) (septic) (suppurative) I80.9
    ICD-10-CM Diagnosis Code I80.9

    Phlebitis and thrombophlebitis of unspecified site

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • intracranial (venous) sinus (any) G08
      ICD-10-CM Diagnosis Code G08

      Intracranial and intraspinal phlebitis and thrombophlebitis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Septic embolism of intracranial or intraspinal venous sinuses and veins
      • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
      Type 1 Excludes
      • intracranial phlebitis and thrombophlebitis complicating:
      • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
      • pregnancy, childbirth and the puerperium (O22.5, O87.3)
      • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
      Type 2 Excludes
      • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
      • nonpyogenic I67.6
  • Thrombophlebitis I80.9
    ICD-10-CM Diagnosis Code I80.9

    Phlebitis and thrombophlebitis of unspecified site

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • cavernous (venous) G08
      ICD-10-CM Diagnosis Code G08

      Intracranial and intraspinal phlebitis and thrombophlebitis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Septic embolism of intracranial or intraspinal venous sinuses and veins
      • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
      Type 1 Excludes
      • intracranial phlebitis and thrombophlebitis complicating:
      • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
      • pregnancy, childbirth and the puerperium (O22.5, O87.3)
      • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
      Type 2 Excludes
      • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
      • nonpyogenic I67.6
    • cerebral (sinus) (vein) G08
      ICD-10-CM Diagnosis Code G08

      Intracranial and intraspinal phlebitis and thrombophlebitis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Septic embolism of intracranial or intraspinal venous sinuses and veins
      • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
      Type 1 Excludes
      • intracranial phlebitis and thrombophlebitis complicating:
      • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
      • pregnancy, childbirth and the puerperium (O22.5, O87.3)
      • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
      Type 2 Excludes
      • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
      • nonpyogenic I67.6
    • intracranial venous sinus (any) G08
      ICD-10-CM Diagnosis Code G08

      Intracranial and intraspinal phlebitis and thrombophlebitis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Septic embolism of intracranial or intraspinal venous sinuses and veins
      • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
      Type 1 Excludes
      • intracranial phlebitis and thrombophlebitis complicating:
      • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
      • pregnancy, childbirth and the puerperium (O22.5, O87.3)
      • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
      Type 2 Excludes
      • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
      • nonpyogenic I67.6
    • lateral (venous) G08
      ICD-10-CM Diagnosis Code G08

      Intracranial and intraspinal phlebitis and thrombophlebitis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Septic embolism of intracranial or intraspinal venous sinuses and veins
      • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
      Type 1 Excludes
      • intracranial phlebitis and thrombophlebitis complicating:
      • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
      • pregnancy, childbirth and the puerperium (O22.5, O87.3)
      • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
      Type 2 Excludes
      • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
      • nonpyogenic I67.6
    • longitudinal (venous) G08
      ICD-10-CM Diagnosis Code G08

      Intracranial and intraspinal phlebitis and thrombophlebitis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Septic embolism of intracranial or intraspinal venous sinuses and veins
      • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
      Type 1 Excludes
      • intracranial phlebitis and thrombophlebitis complicating:
      • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
      • pregnancy, childbirth and the puerperium (O22.5, O87.3)
      • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
      Type 2 Excludes
      • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
      • nonpyogenic I67.6
    • sinus (intracranial) G08
      ICD-10-CM Diagnosis Code G08

      Intracranial and intraspinal phlebitis and thrombophlebitis

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Septic embolism of intracranial or intraspinal venous sinuses and veins
      • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
      • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
      Type 1 Excludes
      • intracranial phlebitis and thrombophlebitis complicating:
      • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
      • pregnancy, childbirth and the puerperium (O22.5, O87.3)
      • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
      Type 2 Excludes
      • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
      • nonpyogenic I67.6
  • Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) I82.90
    ICD-10-CM Diagnosis Code I82.90

    Acute embolism and thrombosis of unspecified vein

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Embolism of vein NOS
    • Thrombosis (vein) NOS
    • intracranial (arterial) I66.9
      ICD-10-CM Diagnosis Code I66.9

      Occlusion and stenosis of unspecified cerebral artery

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • venous sinus (any) G08
        ICD-10-CM Diagnosis Code G08

        Intracranial and intraspinal phlebitis and thrombophlebitis

          2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
        Applicable To
        • Septic embolism of intracranial or intraspinal venous sinuses and veins
        • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
        • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
        • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
        • Septic thrombosis of intracranial or intraspinal venous sinuses and veins
        Type 1 Excludes
        • intracranial phlebitis and thrombophlebitis complicating:
        • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
        • pregnancy, childbirth and the puerperium (O22.5, O87.3)
        • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)
        Type 2 Excludes
        • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
        • nonpyogenic origin I67.6
    • vein (acute) I82.90
      ICD-10-CM Diagnosis Code I82.90

      Acute embolism and thrombosis of unspecified vein

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Embolism of vein NOS
      • Thrombosis (vein) NOS
      • cerebral, nonpyogenic I67.6

ICD-10-CM Codes Adjacent To I67.6
I66.3 Occlusion and stenosis of cerebellar arteries
I66.8 Occlusion and stenosis of other cerebral arteries
I66.9 Occlusion and stenosis of unspecified cerebral artery
I67 Other cerebrovascular diseases
I67.0 Dissection of cerebral arteries, nonruptured
I67.1 Cerebral aneurysm, nonruptured
I67.2 Cerebral atherosclerosis
I67.3 Progressive vascular leukoencephalopathy
I67.4 Hypertensive encephalopathy
I67.5 Moyamoya disease
I67.6 Nonpyogenic thrombosis of intracranial venous system
I67.7 Cerebral arteritis, not elsewhere classified
I67.8 Other specified cerebrovascular diseases
I67.81 Acute cerebrovascular insufficiency
I67.82 Cerebral ischemia
I67.83 Posterior reversible encephalopathy syndrome
I67.84 Cerebral vasospasm and vasoconstriction
I67.841 Reversible cerebrovascular vasoconstriction syndrome
I67.848 Other cerebrovascular vasospasm and vasoconstriction
I67.85 Hereditary cerebrovascular diseases
I67.850 Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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