2021 ICD-10-CM Diagnosis Code G89.2

Chronic pain, not elsewhere classified

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • G89.2 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM G89.2 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of G89.2 - other international versions of ICD-10 G89.2 may differ.
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 G89.2. 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.
  • causalgia, lower limb (
    ICD-10-CM Diagnosis Code G57.7

    Causalgia of lower limb

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Complex regional pain syndrome II of lower limb
    Type 1 Excludes
    • complex regional pain syndrome I of lower limb (G90.52-)
    • complex regional pain syndrome I of upper limb (G90.51-)
    • complex regional pain syndrome II of upper limb (G56.4-)
    • reflex sympathetic dystrophy of lower limb (G90.52-)
    • reflex sympathetic dystrophy of upper limb (G90.51-)
    G57.7-
    )
  • causalgia, upper limb (
    ICD-10-CM Diagnosis Code G56.4

    Causalgia of upper limb

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Complex regional pain syndrome II of upper limb
    Type 1 Excludes
    • complex regional pain syndrome I of lower limb (G90.52-)
    • complex regional pain syndrome I of upper limb (G90.51-)
    • complex regional pain syndrome II of lower limb (G57.7-)
    • reflex sympathetic dystrophy of lower limb (G90.52-)
    • reflex sympathetic dystrophy of upper limb (G90.51-)
    G56.4-
    )
  • central pain syndrome (
    ICD-10-CM Diagnosis Code G89.0

    Central pain syndrome

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Déjérine-Roussy syndrome
    • Myelopathic pain syndrome
    • Thalamic pain syndrome (hyperesthetic)
    G89.0
    )
  • chronic pain syndrome (
    ICD-10-CM Diagnosis Code G89.4

    Chronic pain syndrome

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Chronic pain associated with significant psychosocial dysfunction
    G89.4
    )
  • complex regional pain syndrome II, lower limb (
    ICD-10-CM Diagnosis Code G57.7

    Causalgia of lower limb

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Complex regional pain syndrome II of lower limb
    Type 1 Excludes
    • complex regional pain syndrome I of lower limb (G90.52-)
    • complex regional pain syndrome I of upper limb (G90.51-)
    • complex regional pain syndrome II of upper limb (G56.4-)
    • reflex sympathetic dystrophy of lower limb (G90.52-)
    • reflex sympathetic dystrophy of upper limb (G90.51-)
    G57.7-
    )
  • complex regional pain syndrome II, upper limb (
    ICD-10-CM Diagnosis Code G56.4

    Causalgia of upper limb

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Complex regional pain syndrome II of upper limb
    Type 1 Excludes
    • complex regional pain syndrome I of lower limb (G90.52-)
    • complex regional pain syndrome I of upper limb (G90.51-)
    • complex regional pain syndrome II of lower limb (G57.7-)
    • reflex sympathetic dystrophy of lower limb (G90.52-)
    • reflex sympathetic dystrophy of upper limb (G90.51-)
    G56.4-
    )
  • neoplasm related chronic pain (
    ICD-10-CM Diagnosis Code G89.3

    Neoplasm related pain (acute) (chronic)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Cancer associated pain
    • Pain due to malignancy (primary) (secondary)
    • Tumor associated pain
    G89.3
    )
  • reflex sympathetic dystrophy (
    ICD-10-CM Diagnosis Code G90.5

    Complex regional pain syndrome I (CRPS I)

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Reflex sympathetic dystrophy
    Type 1 Excludes
    • causalgia of lower limb (G57.7-)
    • causalgia of upper limb (G56.4-)
    • complex regional pain syndrome II of lower limb (G57.7-)
    • complex regional pain syndrome II of upper limb (G56.4-)
    G90.5-
    )
The following code(s) above G89.2 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 G89.2:
  • G00-G99
    2021 ICD-10-CM Range G00-G99

    Diseases of the nervous 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)
    Diseases of the nervous system
  • G89
    ICD-10-CM Diagnosis Code G89

    Pain, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • related psychological factors associated with pain (F45.42)
    Type 1 Excludes
    • generalized pain NOS (R52)
    • pain disorders exclusively related to psychological factors (F45.41)
    • pain NOS (R52)
    Type 2 Excludes
    Pain, not elsewhere classified
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
ICD-10-CM Codes Adjacent To G89.2
G83.83 Posterior cord syndrome
G83.84 Todd's paralysis (postepileptic)
G83.89 Other specified paralytic syndromes
G83.9 Paralytic syndrome, unspecified
G89 Pain, not elsewhere classified
G89.0 Central pain syndrome
G89.1 Acute pain, not elsewhere classified
G89.11 Acute pain due to trauma
G89.12 Acute post-thoracotomy pain
G89.18 Other acute postprocedural pain
G89.2 Chronic pain, not elsewhere classified
G89.21 Chronic pain due to trauma
G89.22 Chronic post-thoracotomy pain
G89.28 Other chronic postprocedural pain
G89.29 Other chronic pain
G89.3 Neoplasm related pain (acute) (chronic)
G89.4 Chronic pain syndrome
G90 Disorders of autonomic nervous system
G90.0 Idiopathic peripheral autonomic neuropathy
G90.01 Carotid sinus syncope
G90.09 Other idiopathic peripheral autonomic neuropathy

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