There are 500+ code changes in 2024 including new, deleted, revised, and parent codes. These 2024 ICD-10-CM codes are to be used from the effective date of services from October 1, 2023, through September 30, 2024.
New Codes - 501 Additions
Deleted Codes - 25 Deletions
Revised Codes - 17 Revisions
Converted to Parent Code - 25 Codes
Summary of the changes and updates
The updates include new codes, revised codes & deletions in 17 different chapters of ICD-10-CM. Changes to the Index and other revisions are also included in the updates.
The distribution of codes and a summary of selected conditions are listed below,
Chapter 1: Infectious and parasitic diseases – 2 codes for Acinetobacter baumannii sepsis or the cause of diseases classified elsewhere.
Chapter 2: Neoplasms – 13 codes, including 10 codes for desmoid tumors. Desmoid tumors are a rare type of tumor arising in deep connective and soft tissues and often have a variable and unpredictable course. Desmoid tumors do not metastasize and are not classified as malignant. They tend to be locally aggressive, infiltrative, and destructive. They may also be known as aggressive fibromatosis. Desmoid tumors can occur in any soft or connective tissue throughout the body, but are usually categorized into four general areas: abdominal wall; extremities/shoulder and pelvic girdles/chest wall; intraabdominal/retroperitoneal/pelvic cavity; head and neck/intrathoracic.
Chapter 3: Diseases of blood and blood-forming organs and disorders involving immune mechanism – 8 codes, including codes for Sickle-cell conditions with dactylitis. Dactylitis is a severe inflammation of the fingers and toes commonly seen in infants with sickle cell anemia.
Chapter 4: Endocrine, nutritional, and metabolic diseases – 18 codes. Included are codes for insulin resistance and hypoparathyroidism.
Chapter 6: Diseases of nervous system – 24 codes. There are new codes for Lafora Body Disease, or Lafora progressive myoclonus epilepsy, which is a neurodegenerative condition caused by a glycogen metabolism disorder that results in the accumulation of abnormal glycogen aggregates called Lafora Bodies in the brain, heart, and liver. Four codes are new for chronic migraine with aura, and five codes for Parkinson’s disease with/without dyskinesia, with/without fluctuations. Parkinson’s disease (PD) is a progressive neurodegenerative disease that presents with motor symptoms such as bradykinesia with muscle rigidity, tremor, and/or postural instability, as well as non-motor symptoms such as anxiety/panic attacks, problems with executive function, and pain.
Chapter 7: Diseases of eye and adnexa – 34 codes, including new codes for sickle-cell retinopathy, muscle entrapment by site, and foreign body sensations.
Chapter 9: Diseases of circulatory system – 10 codes. Codes include codes related to tachycardia, angina, and microvascular dysfunction.
Chapter 10: Diseases of respiratory system – 7 codes. Codes include pneumonia due to Acinetobacter baumannii and lung allograft dysfunction.
Chapter 11: Diseases of digestive system – 17 codes. New codes include acute appendicitis with generalized peritonitis, small intestinal bacterial or fungal overgrowth, and short bowel syndrome.
Chapter 13: Diseases of musculoskeletal system – 36 codes specific to osteoporosis of pelvis with pathological fracture.
Chapter 14: Diseases of genitourinary system – 15 codes including recurrent and persistent immunoglobulin A nephropathy (IgAN), the most common form of glomerulonephropathy.
Chapter 15: Pregnancy, childbirth, and puerperium – 6 codes, including new codes for intrahepatic cholestasis of pregnancy (ICP), a pregnancy-specific disorder where bile acid transport in the liver is altered. This leads to a build-up of bile acid in both the maternal circulation as well as the fetal amniotic fluid.
Chapter 17: Congenital malformations – 22 codes, including specific types of craniosynostosis.
Chapter 18: Symptoms, signs, and abnormal clinical and laboratory findings – 18 codes, including codes for foreign body sensation and breast density.
Chapter 19: Injury, Poisoning – 12 codes for the toxic effect of gadolinium.
Chapter 20: External causes of morbidity – 123 codes for objects entering through a natural orifice. Examples are buttons, batteries, plastic objects, jewelry, etc.
Chapter 21: Factors influencing health status and contact with health services – 30 codes. These codes include a variety of conditions such as carrier status, history codes, and codes related to Social Determinants of Health (SDOH). The new subcategory “Caregiver’s noncompliance with patient’s medical treatment and regimen” is an example.