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ICD 10 CM Official Updates and Changes - 2023 - Revised & Parent Codes

There are 1790 code changes in 2023 and including new, deleted, revised, and parent codes. These 2023 ICD-10-CM codes are to be used from the effective date of services from October 1, 2022, through September 30, 2023. 

Total changes - 1790 codes

  • New Codes  - 1468 Additions
  • Deleted Codes - 251 Deletions
  • Revised Codes -  35 Revisions 
  • Converted to Parent Code - 36 Codes

REVISED CODE EFFECTIVE FROM OCTOBER 1ST, 2022 TO SEPTEMBER 30, 2023

Code     Description
C84.4     Peripheral T-cell lymphoma, not elsewhere classified
C84.40     Peripheral T-cell lymphoma, not elsewhere classified, unspecified site
C84.41     Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neck
C84.42     Peripheral T-cell lymphoma, not elsewhere classified, intrathoracic lymph nodes
C84.43       Peripheral T-cell lymphoma, not elsewhere classified, intra-abdominal lymph nodes
C84.44    Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of axilla and upper limb
C84.45     Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of inguinal region and lower limb
C84.46     Peripheral T-cell lymphoma, not elsewhere classified, intrapelvic lymph nodes
C84.47     Peripheral T-cell lymphoma, not elsewhere classified, spleen
C84.48     Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of multiple sites
C84.49     Peripheral T-cell lymphoma, not elsewhere classified, extranodal and solid organ sites
C94.6     Myelodysplastic disease, not elsewhere classified
F01.5     Vascular dementia, unspecified severity
F01.50     Vascular dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F02.8     Dementia in other diseases classified elsewhere, unspecified severity
F02.80     Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
F03.9     Unspecified dementia, unspecified severity
F03.90     Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
G31.09     Other frontotemporal neurocognitive disorder
G31.83     Neurocognitive disorder with Lewy bodies
G31.84     Mild cognitive impairment of uncertain or unknown etiology
K35.32     Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
K35.33     Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
M93.01     Acute slipped upper femoral epiphysis, stable (nontraumatic)
M93.011     Acute slipped upper femoral epiphysis, stable (nontraumatic), right hip
M93.012     Acute slipped upper femoral epiphysis, stable (nontraumatic), left hip
M93.013     Acute slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip
M93.02     Chronic slipped upper femoral epiphysis, stable (nontraumatic)
M93.021     Chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip
M93.022    Chronic slipped upper femoral epiphysis, stable (nontraumatic), left hip
M93.023     Chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip
M93.03     Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic)
M93.031     Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), right hip
M93.032     Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), left hip
M93.033     Acute on chronic slipped upper femoral epiphysis, stable (nontraumatic), unspecified hip

PARENT CODE EFFECTIVE FROM OCTOBER 1ST, 2022 TO SEPTEMBER 30, 2023

Code Description

B37.3 Candidiasis of vulva and vagina
D59.3 Hemolytic-uremic syndrome
D68.0 Von Willebrand's disease
D75.82 Heparin induced thrombocytopenia (HIT)
E34.3 Short stature due to endocrine disorder
E87.2 Acidosis
F01.51 Vascular dementia with behavioral disturbance
F02.81 Dementia in other diseases classified elsewhere with behavioral disturbance
F03.91 Unspecified dementia with behavioral disturbance
F43.8 Other reactions to severe stress
G93.3 Postviral fatigue syndrome
I31.3 Pericardial effusion (noninflammatory)
I34.8 Other nonrheumatic mitral valve disorders
I47.2 Ventricular tachycardia
I71.01 Dissection of thoracic aorta
I71.1 Thoracic aortic aneurysm, ruptured
I71.2 Thoracic aortic aneurysm, without rupture
I71.3 Abdominal aortic aneurysm, ruptured
I71.4 Abdominal aortic aneurysm, without rupture
I71.5 Thoracoabdominal aortic aneurysm, ruptured
I71.6 Thoracoabdominal aortic aneurysm, without rupture
N14.1 Nephropathy induced by other drugs, medicaments and biological substances
N80.0 Endometriosis of uterus
N80.1 Endometriosis of ovary
N80.2 Endometriosis of fallopian tube
N80.3 Endometriosis of pelvic peritoneum
N80.4 Endometriosis of rectovaginal septum and vagina
N80.5 Endometriosis of intestine
P28.3 Primary sleep apnea of newborn
P28.4 Other apnea of newborn
Q21.1 Atrial septal defect
Q21.2 Atrioventricular septal defect
Q85.8 Other phakomatoses, not elsewhere classified
Z87.76 Personal history of (corrected) congenital malformations of integument, limbs and musculoskeletal system
Z91.11 Patient's noncompliance with dietary regimen
Z91.19 Patient's noncompliance with other medical treatment and regimen

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