ICD-10-CM-codes- 2021

Know the new ICD-10-CM codes for 2021

Well, we all know the changes that took place in medical coding for 2021. ICD-10-CM codes have been updated for the year 2021 to ease the work of healthcare professionals without any confusion. ICD-10-CM codes are usually assigned for every disease. For chronic diseases like diabetes and heart diseases, ICD-10-CM codes will automatically follow the medical records.

Across the world, many countries follow ICD-10-CM codes as they help in tracking health statistics and death cause. These codes are very helpful in gathering data or information of particular chronic illness and new diseases. ICD-10-CM codes are also used in clinical trials to track and recruit few subjects.

Let’s check few ICD-10-CM codes and categories:

  • A00-B99: Codes for certain infectious and parasitic diseases
  • C00-D49: Neoplasms
  • D50-D89: These codes are for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
  • E00-E89: Endocrine, nutritional and metabolic diseases
  • F01-F99: Mental, Behavioral and Neurodevelopmental disorders
  • G00-G99: Diseases of the nervous system
  • H00-H59: Diseases of the eye and adnexa
  • H60-H95: Diseases of the ear and mastoid process
  • I00-I99: Diseases of the circulatory system
  • J00-J99: Diseases of the respiratory system
  • K00-K95: Diseases of the digestive system
  • L00-L99: Diseases of the skin and subcutaneous tissue
  • M00-M99: Diseases of the musculoskeletal system and connective tissue
  • N00-N99: Diseases of the genitourinary system
  • O00-O9A: Pregnancy, childbirth and the puerperium
  • P00-P96: Some conditions originating in the perinatal period
  • Q00-Q99: Congenital malformations, deformations and chromosomal abnormalities
  • R00-R99: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
  • S00-T88: Injury, poisoning and certain other consequences of external causes
  • U00-U85: Codes for special purposes
  • V00-Y99: External causes of morbidity
  • Z00-Z99: Factors influencing health status and contact with health services

ICD-10-CM codes for Parasitic and Infectious Diseases:

  • A00-A09: Intestinal infectious diseases
  • A15- A19: Tuberculosis
  • A20-A28 :Certain zoonotic bacterial diseases
  • A30-A49 : Other bacterial diseases
  • A50-A64: Infections with a predominantly sexual mode of transmission..
  • A65-A69 : Other spirochetal diseases
  • A70-A74 :Other diseases caused by chlamydiae
  • A75-A79: Rickettsioses
  • A80-A89: Viral and prion infections of the central nervous system.
  • A90-A99: Arthropod-borne viral fevers and viral hemorrhagic fever.
  • B00-B09: Viral infections characterized by skin and mucous membrane lesions.
  • B10-B10: Other human herpesviruses
  • B15-B19 :Viral hepatitis
  • B20-B20: Human immunodeficiency virus [HIV] diseases.
  • B25-B34 :Other viral diseases
  • B35-B49 :Mycoses
  • B50-B64 :Protozoal diseases
  • B65-B83 :Helminthiases
  • B85-B89: Pediculosis, acariasis and other infestation.
  • B90-B94: Sequelae of infectious and parasitic disorders.
  • B95-B97: Bacterial and viral infectious agents.
  • B99-B99 :Other infectious diseases

ICD-10-CM codes for Neoplasms:

  • C00-C14: Malignant neoplasms of lip, oral cavity and pharynx.
  • C15-C26 :Malignant neoplasms of digestive organs
  • C30-C39: Malignant neoplasms of respiratory and intrathoracic organs.
  • C40-C41: Malignant neoplasms of bone and articular cartilage
  • C43-C44: Melanoma and other malignant neoplasms of skin.
  • C45-C49: Malignant neoplasms of mesothelial and soft tissue.
  • C50-C50 :Malignant neoplasms of breast
  • C51-C58: Malignant neoplasms of female genital organs.
  • C60-C63: Malignant neoplasms of male genital organs..
  • C64-C68: Malignant neoplasms of urinary tract
  • C69-C72: Malignant neoplasms of eye, brain and others..
  • C73-C75: Malignant neoplasms of thyroid and others.
  • C76-C80: Malignant neoplasms of ill-defined, others..
  • C7A-C7A: Malignant neuroendocrine tumors
  • C7B-C7B: Secondary neuroendocrine tumors
  • C81-C96: Malignant neoplasms of lymphoid,hematopoietic related
  • D00-D09 :In situ neoplasms
  • D10-D36: Benign neoplasms, except benign neuroendocrine tumors.
  • D37-D48: Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
  • D3A-D3A :Benign neuroendocrine tumors
  • D49-D49 :Neoplasms of unspecified behavior

ICD-10-CM codes for Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

  • D50-D53: Nutritional anemias
  • D55-D59 :Hemolytic anemias
  • D60-D64: Aplastic and other anemias and other bone marrow failure syndrome.
  • D65-D69: Coagulation defects, purpura and other hemorrhagic conditions
  • D70-D77: Other disorders of blood and blood-forming organs.
  • D78-D78: Intraoperative and postprocedural complications of the spleen.
  • D80-D89: Certain disorders involving the immune mechanism.

Endocrine, nutritional and metabolic diseases:

  • E00-E07: Disorders of thyroid gland
  • E08-E13: Diabetes mellitus
  • E15-E16: Other disorders of glucose regulation and pancreatic internal secretion.
  • E20-E35: Disorders of other endocrine glands
  • E36-E36 :Intraoperative complications of endocrine
  • E40-E46: Malnutrition
  • E50-E64 :Other nutritional deficiencies
  • E65-E68: Overweight, obesity and other hyperalimentation.
  • E70-E88 :Metabolic disorders
  • E89-E89: Postprocedural endocrine and metabolic complications

Mental, Behavioral and Neurodevelopmental disorders

  • F01-F09: Mental disorders due to known physiological.
  • F10-F19: Mental and behavioral disorders due to psychoactive substance use.
  • F20-F29: Schizophrenia, schizotypal, delusional, non-mood psychotic disorders.
  • F30-F39: Mood [affective] disorders
  • F40-F48: Anxiety, dissociative, stress-related, non-psychotic mental disorders.
  • F50-F59: Behavioral syndromes associated with physical factors.
  • F60-F69: Disorders of adult personality and behavior.
  • F70-F79: Intellectual disabilities
  • F80-F89: Pervasive and specific developmental disorders.
  • F90-F98: Behavioral and emotional disorders with onset usually occurring in childhood and adolescence.
  • F99-F99 :Unspecified mental disorder

Diseases of the nervous system

  • G00-G09: Inflammatory diseases of the central nervous system.
  • G10-G14: Systemic atrophies primarily affecting the central nervous system.
  • G20-G26 :Extrapyramidal and movement disorders
  • G30-G32: Other degenerative diseases of the nervous system.
  • G35-G37: Demyelinating diseases of the central nervous system.
  • G40-G47 :Episodic and paroxysmal disorders
  • G50-G59 :Nerve, nerve root and plexus disorders
  • G60-G65: Polyneuropathies and other disorders of Peripheral nervous system.
  • G70-G73: Diseases of myoneural junction and muscles
  • G80-G83: Cerebral palsy and other paralytic syndrome.
  • G89-G99: Other disorders of the nervous system

Diseases of the eye and adnexa

  • H00-H05: Disorders of eyelid, lacrimal system and orbit.
  • H10-H11: Disorders of conjunctiva.
  • H15-H22: Disorders of sclera, cornea, iris and ciliary body.
  • H25-H28: Disorders of lens
  • H30-H36: Disorders of choroid and retina
  • H40-H42: Glaucoma
  • H43-H44: Disorders of vitreous body and globe
  • H46-H47: Disorders of optic nerve and visual pathways.
  • H49-H52: Disorders of ocular muscles, binocular movement, accommodation and refraction
  • H53-H54: Visual disturbances and blindness
  • H55-H57: Other disorders of eye and adnexa
  • H59-H59: Intraoperative and post procedural complications.

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