Revised ICD-10-CM Codes in

35 code descriptions were revised in the 2023 ICD-10-CM code set, effective October 1, 2022.

Displaying codes 1-35 of 35:

  • C84.4
    Peripheral T-cell lymphoma, not elsewhere classified
    • Old long description: Peripheral T-cell lymphoma, not classified
    • Old short description: Peripheral T-cell lymphoma, not classified
  • C84.40
    Peripheral T-cell lymphoma, not elsewhere classified, unspecified site
    • Old long description: Peripheral T-cell lymphoma, not classified, unspecified site
    • Old short description: Peripheral T-cell lymphoma, not classified, unspecified sit
  • C84.41
    Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neck
    • Old long description: Peripheral T-cell lymphoma, not classified, lymph nodes of head, face, and neck
    • Old short description: Prph T-cell lymph, not class, nodes of head, face, and neck
  • C84.42
    Peripheral T-cell lymphoma, not elsewhere classified, intrathoracic lymph nodes
    • Old long description: Peripheral T-cell lymphoma, not classified, intrathoracic lymph nodes
    • Old short description: Peripheral T-cell lymphoma, not class, intrathorac nodes
  • C84.43
    Peripheral T-cell lymphoma, not elsewhere classified, intra-abdominal lymph nodes
    • Old long description: Peripheral T-cell lymphoma, not classified, intra-abdominal lymph nodes
    • Old short description: Peripheral T-cell lymphoma, not classified, intra-abd nodes
  • C84.44
    Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of axilla and upper limb
    • Old long description: Peripheral T-cell lymphoma, not classified, lymph nodes of axilla and upper limb
    • Old short description: Prph T-cell lymph, not class, nodes of axilla and upper lim
  • C84.45
    Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of inguinal region and lower limb
    • Old long description: Peripheral T-cell lymphoma, not classified, lymph nodes of inguinal region and lower limb
    • Old short description: Prph T-cell lymph, not class, nodes of ing rgn and low limb
  • C84.46
    Peripheral T-cell lymphoma, not elsewhere classified, intrapelvic lymph nodes
    • Old long description: Peripheral T-cell lymphoma, not classified, intrapelvic lymph nodes
    • Old short description: Peripheral T-cell lymphoma, not classified, intrapelv nodes
  • C84.47
    Peripheral T-cell lymphoma, not elsewhere classified, spleen
    • Old long description: Peripheral T-cell lymphoma, not classified, spleen
    • Old short description: Peripheral T-cell lymphoma, not classified, spleen
  • C84.48
    Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of multiple sites
    • Old long description: Peripheral T-cell lymphoma, not classified, lymph nodes of multiple sites
    • Old short description: Peripheral T-cell lymphoma, not classified, nodes mult site
  • C84.49
    Peripheral T-cell lymphoma, not elsewhere classified, extranodal and solid organ sites
    • Old long description: Peripheral T-cell lymphoma, not classified, extranodal and solid organ sites
    • Old short description: Prph T-cell lymph, not class, extrnod and solid organ sites
  • C94.6
    Myelodysplastic disease, not elsewhere classified
    • Old long description: Myelodysplastic disease, not classified
    • Old short description: Myelodysplastic disease, not classified
  • F01.5
    Vascular dementia, unspecified severity
    • Old long description: Vascular dementia
    • Old short description: Vascular dementia
  • F01.50
    Vascular dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    • Old long description: Vascular dementia without behavioral disturbance
    • Old short description: Vascular dementia without behavioral disturbance
  • F02.8
    Dementia in other diseases classified elsewhere, unspecified severity
    • Old long description: Dementia in other diseases classified elsewhere
    • Old short description: Dementia in other diseases classified elsewhere
  • F02.80
    Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    • Old long description: Dementia in other diseases classified elsewhere without behavioral disturbance
    • Old short description: Dementia in oth diseases classd elswhr w/o behavrl disturb
  • F03.9
    Unspecified dementia, unspecified severity
    • Old long description: Unspecified dementia
    • Old short description: Unspecified dementia
  • F03.90
    Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    • Old long description: Unspecified dementia without behavioral disturbance
    • Old short description: Unspecified dementia without behavioral disturbance
  • G31.09
    Other frontotemporal neurocognitive disorder
    • Old long description: Other frontotemporal dementia
    • Old short description: Other frontotemporal dementia
  • G31.83
    Neurocognitive disorder with Lewy bodies
    • Old long description: Dementia with Lewy bodies
    • Old short description: Dementia with Lewy bodies
  • G31.84
    Mild cognitive impairment of uncertain or unknown etiology
    • Old long description: Mild cognitive impairment, so stated
    • Old short description: Mild cognitive impairment, so stated
  • K35.32
    Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
    • Old long description: Acute appendicitis with perforation and localized peritonitis, without abscess
    • Old short description: Acute appendicitis with perf and loc peritonitis, w/o abscs
  • K35.33
    Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
    • Old long description: Acute appendicitis with perforation and localized peritonitis, with abscess
    • Old short description: Acute appendicitis with perf and loc peritonitis, with absc
  • M93.01
    Acute slipped upper femoral epiphysis, stable (nontraumatic)
    • Old long description: Acute slipped upper femoral epiphysis (nontraumatic)
    • Old short description: Acute slipped upper femoral epiphysis (nontraumatic)
  • M93.011
    Acute slipped upper femoral epiphysis, stable (nontraumatic), right hip
    • Old long description: Acute slipped upper femoral epiphysis (nontraumatic), right hip
    • Old short description: Acute slipped upper femoral epiphysis, right hip
  • M93.012
    Acute slipped upper femoral epiphysis, stable (nontraumatic), left hip
    • Old long description: Acute slipped upper femoral epiphysis (nontraumatic), left hip
    • Old short description: Acute slipped upper femoral epiphysis, left hip
  • M93.013
    Acute slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip
    • Old long description: Acute slipped upper femoral epiphysis (nontraumatic), unspecified hip
    • Old short description: Acute slipped upper femoral epiphysis, unsp hip
  • M93.02
    Chronic slipped upper femoral epiphysis, stable (nontraumatic)
    • Old long description: Chronic slipped upper femoral epiphysis (nontraumatic)
    • Old short description: Chronic slipped upper femoral epiphysis (nontraumatic)
  • M93.021
    Chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip
    • Old long description: Chronic slipped upper femoral epiphysis (nontraumatic), right hip
    • Old short description: Chronic slipped upper femoral epiphysis, right hip
  • M93.022
    Chronic slipped upper femoral epiphysis, stable (nontraumatic), left hip
    • Old long description: Chronic slipped upper femoral epiphysis (nontraumatic), left hip
    • Old short description: Chronic slipped upper femoral epiphysis, left hip
  • M93.023
    Chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip
    • Old long description: Chronic slipped upper femoral epiphysis (nontraumatic), unspecified hip
    • Old short description: Chronic slipped upper femoral epiphysis, unsp hip
  • M93.03
    Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic)
    • Old long description: Acute on chronic slipped upper femoral epiphysis (nontraumatic)
    • Old short description: Acute on chronic slipped upper femoral epiphysis
  • M93.031
    Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip
    • Old long description: Acute on chronic slipped upper femoral epiphysis (nontraumatic), right hip
    • Old short description: Acute on chronic slipped upper femoral epiphysis, right hip
  • M93.032
    Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), left hip
    • Old long description: Acute on chronic slipped upper femoral epiphysis (nontraumatic), left hip
    • Old short description: Acute on chronic slipped upper femoral epiphysis, left hip
  • M93.033
    Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip
    • Old long description: Acute on chronic slipped upper femoral epiphysis (nontraumatic), unspecified hip
    • Old short description: Acute on chronic slipped upper femoral epiphysis, unsp hip
2023 ICD-10-CM Diagnosis Code C84.4

Peripheral T-cell lymphoma, not elsewhere classified

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Non-Billable/Non-Specific Code
Applicable To
  • Lennert's lymphoma
  • Lymphoepithelioid lymphoma
  • Mature T-cell lymphoma, not elsewhere classified
2023 ICD-10-CM Diagnosis Code C84.40

Peripheral T-cell lymphoma, not elsewhere classified, unspecified site

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.41

Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neck

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.42

Peripheral T-cell lymphoma, not elsewhere classified, intrathoracic lymph nodes

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.43

Peripheral T-cell lymphoma, not elsewhere classified, intra-abdominal lymph nodes

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.44

Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of axilla and upper limb

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.45

Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of inguinal region and lower limb

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.46

Peripheral T-cell lymphoma, not elsewhere classified, intrapelvic lymph nodes

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.47

Peripheral T-cell lymphoma, not elsewhere classified, spleen

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.48

Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of multiple sites

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C84.49

Peripheral T-cell lymphoma, not elsewhere classified, extranodal and solid organ sites

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code C94.6

Myelodysplastic disease, not elsewhere classified

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
Applicable To
  • Myelodysplastic/myeloproliferative neoplasm, unclassifiable
  • Myeloproliferative disease, not elsewhere classified
2023 ICD-10-CM Diagnosis Code F01.5

Vascular dementia, unspecified severity

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Non-Billable/Non-Specific Code
2023 ICD-10-CM Diagnosis Code F01.50

Vascular dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code Adult Dx (15-124 years)
Applicable To
  • Major neurocognitive disorder due to vascular disease NOS
  • Vascular dementia NOS
2023 ICD-10-CM Diagnosis Code F02.8

Dementia in other diseases classified elsewhere, unspecified severity

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Non-Billable/Non-Specific Code
2023 ICD-10-CM Diagnosis Code F02.80

Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code Manifestation Code
Applicable To
  • Dementia in other diseases classified elsewhere NOS
  • Major neurocognitive disorder in other diseases classified elsewhere NOS
2023 ICD-10-CM Diagnosis Code F03.9

Unspecified dementia, unspecified severity

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Non-Billable/Non-Specific Code
2023 ICD-10-CM Diagnosis Code F03.90

Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code Adult Dx (15-124 years)
Applicable To
  • Dementia NOS
2023 ICD-10-CM Diagnosis Code G31.09

Other frontotemporal neurocognitive disorder

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
Applicable To
  • Frontal dementia
Use Additional
  • code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)
2023 ICD-10-CM Diagnosis Code G31.83

Neurocognitive disorder with Lewy bodies

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
Applicable To
  • Lewy body dementia
  • Lewy body disease
Use Additional
  • code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-)
2023 ICD-10-CM Diagnosis Code G31.84

Mild cognitive impairment of uncertain or unknown etiology

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
Applicable To
  • Mild cognitive disorder NOS
  • Mild neurocognitive disorder of uncertain or unknown etiology
Type 1 Excludes
  • age related cognitive decline (R41.81)
  • altered mental status (R41.82)
  • cerebral degeneration (G31.9)
  • cerebrovascular diseases (I60-I69)
  • change in mental status (R41.82)
  • cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)
  • cognitive impairment due to intracranial or head injury (S06.-)
  • dementia (F01.-, F02.-, F03)
  • mild neurocognitive disorder due to a known physiological condition (F06.7-)
  • neurologic neglect syndrome (R41.4)
  • personality change, nonpsychotic (F68.8)
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)
2023 ICD-10-CM Diagnosis Code K35.32

Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess

    2019 - New Code 2020 2021 2022 2023 - Revised Code Billable/Specific Code
Applicable To
  • (Acute) appendicitis with perforation NOS
  • Perforated appendix NOS
  • Ruptured appendix (with localized peritonitis) NOS
2023 ICD-10-CM Diagnosis Code K35.33

Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess

    2019 - New Code 2020 2021 2022 2023 - Revised Code Billable/Specific Code
Applicable To
  • (Acute) appendicitis with (peritoneal) abscess NOS
  • Ruptured appendix with localized peritonitis and abscess
2023 ICD-10-CM Diagnosis Code M93.01

Acute slipped upper femoral epiphysis, stable (nontraumatic)

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Non-Billable/Non-Specific Code
2023 ICD-10-CM Diagnosis Code M93.011

Acute slipped upper femoral epiphysis, stable (nontraumatic), right hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code M93.012

Acute slipped upper femoral epiphysis, stable (nontraumatic), left hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code M93.013

Acute slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code M93.02

Chronic slipped upper femoral epiphysis, stable (nontraumatic)

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Non-Billable/Non-Specific Code
2023 ICD-10-CM Diagnosis Code M93.021

Chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code M93.022

Chronic slipped upper femoral epiphysis, stable (nontraumatic), left hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code M93.023

Chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code M93.03

Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic)

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Non-Billable/Non-Specific Code
2023 ICD-10-CM Diagnosis Code M93.031

Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code M93.032

Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), left hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code
2023 ICD-10-CM Diagnosis Code M93.033

Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip

    2016 2017 2018 2019 2020 2021 2022 2023 - Revised Code Billable/Specific Code