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International Classification of Diseases 11th Revision
ICD-11, the eleventh version of the International Classification of Diseases (ICD), is set to replace the ICD-10 as the global standard for recording health information and causes of death on 1st October 2023. The ICD-11 is a large taxonomy consisting of about 85,000 entitles. It is part of the WHO-FIC, a family of medical classifications. But, till then ICD-10 will continue to function and remain as primary source for coding medical diagnosis and treatments to file healthcare claims. Continue further to know what ICD-10 codes are, how do they work and more.
What is ICD-10 Codes?
ICD-10 is the 10th revision of ICD (International Statistical Classification of Diseases and Related Health problems), a medical classification list by the WHO (World Health Organization). It helps healthcare providers and revenue cycle management (RCM) specialists identify and code health conditions, signs and symptoms and treatment rendered to the patients. ICD-10 codes have successfully replaced all ICD-9 code sets; it allows for tracking of many more diagnoses. Providers need to use them under HIPAA (Health Insurance Portability & Accountability Act) to keep medical information private and secure. ICD-10-CM has over 70,000 codes, making it more comprehensive than ICD-9.
Understanding ICD-10-CM Codes
ICD-10-CM codes are 3-7 characters in length. The first character is always a letter, and the rest can be letters or numbers. Each character adds its own element of meaning, such as category, etiology, anatomic site, severity, or other clinical detail.
List of ICD-10 Codes
| Chapter | Code Range | Details |
|---|---|---|
| 1 | A00-B99 | Certain infectious and parasitic diseases |
| 2 | C00-D49 | Neoplasms |
| 3 | D50-D89 | Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism |
| 4 | E00-E89 | Endocrine, nutritional, and metabolic diseases |
| 5 | F01-F99 | Mental, Behavioral and Neurodevelopmental disorders |
| 6 | G00-G99 | Diseases of the nervous system |
| 7 | H00-H59 | Diseases of the eye and adnexa |
| 8 | H60-H95 | Diseases of the ear and mastoid process |
| 9 | I00-I99 | Diseases of the circulatory system |
| 10 | J00-J99 | Diseases of the respiratory system |
| 11 | K00-K95 | Diseases of the digestive system |
| 12 | L00-L99 | Diseases of the skin and subcutaneous tissue |
| 13 | M00-M99 | Diseases of the musculoskeletal system and connective tissue |
| 14 | N00-N99 | Diseases of the genitourinary system |
| 15 | O00-O9A | Pregnancy, childbirth, and the puerperium |
| 16 | P00-P96 | Certain conditions originating in the perinatal period |
| 17 | Q00-Q99 | Congenital malformations, deformations, and chromosomal abnormalities |
| 18 | R00-R99 | Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified |
| 19 | S00-T88 | Injury, poisoning and certain other consequences of external causes |
| 20 | V00-Y99 | External causes of morbidity |
| 21 | Z00-Z99 | Factors influencing health status and contact with health services |
Medical Coding Made Easy with HealthX 2.0
We have built an AI-based revenue cycle management (RCM) solution, HealthX, that encapsulates the latest payer guidelines and ICD-10 codes to help healthcare providers maintain a clean claims rate of over 98%, improve prior auth, eligibility & verification and accelerate reimbursements faster.
