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ValueSet: Diagnosis Codes - International Classification of Diseases, Clinical Modification (ICD-9-CM, ICD-10-CM)


Defining URL:
Title:Diagnosis Codes - International Classification of Diseases, Clinical Modification (ICD-9-CM, ICD-10-CM)
Status:Active as of 2020-11-23T16:49:10+00:00

The Value Set is a combination of values from volume 1 and volume 2 from the Code System International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) and values in the Code System International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

The International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) is based on the World Health Organization’s Ninth Revision, International Classification of Diseases (ICD-9). ICD-9-CM was the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the United States.

The ICD-9-CM consists of:

  • a tabular list containing a numerical list of the disease code numbers in tabular form;
  • an alphabetical index to the disease entries; and
  • a classification system for surgical, diagnostic, and therapeutic procedures (alphabetic index and tabular list).

The National Center for Health Statistics (NCHS) and the Centers for Medicare and Medicaid Services are the U.S. governmental agencies responsible for overseeing all changes and modifications to the ICD-9-CM.

ICD-10-CM is the replacement for ICD-9-CM, volumes 1 and 2, effective October 1, 2015.

The National Center for Health Statistics (NCHS), the Federal agency responsible for use of the International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10) in the United States, has developed a clinical modification of the classification for morbidity purposes. The ICD-10 is used to code and classify mortality data from death certificates, having replaced ICD-9 for this purpose as of January 1, 1999.

The clinical modification represents a significant improvement over ICD-9-CM and ICD-10. Specific improvements include: the addition of information relevant to ambulatory and managed care encounters; expanded injury codes; the creation of combination diagnosis/symptom codes to reduce the number of codes needed to fully describe a condition; the addition of sixth and seventh characters; incorporation of common 4th and 5th digit subclassifications; laterality; and greater specificity in code assignment. The new structure will allow further expansion than was possible with ICD-9-CM.

Current and previous releases of ICD-9-CM are available here:

Current and previous releases of ICD-10-CM are available in PDF and XML format here:

Most files are provided in compressed zip format for ease in downloading. These files have been created by the National Center for Health Statistics (NCHS), under authorization by the World Health Organization. Any questions regarding typographical or other errors noted on this release may be reported to

Publisher:HL7 Financial Management Working Group

The ICD-10 is copyrighted by the World Health Organization (WHO)external icon, which owns and publishes the classification. WHO has authorized the development of an adaptation of ICD-10 for use in the United States for U.S. government purposes. As agreed, all modifications to the ICD-10 must conform to WHO conventions for the ICD. ICD-10-CM was developed following a thorough evaluation by a Technical Advisory Panel and extensive additional consultation with physician groups, clinical coders, and others to assure clinical accuracy and utility.

The following requirements must be followed to utilize CDC’s public domain content:

  1. Attribution to the agency that developed the material must be provided in your use of the materials. Such attribution should clearly state the materials were developed by CDC ATSDR and/or HHS (e.g., Source: CDC; Materials developed by CDC);

  2. You must utilize a disclaimer which clearly indicates that your use of the material, including any links to the materials on the CDC, ATSDR or HHS websites, does not imply endorsement by CDC, ATSDR, HHS or the United States Government of you, your company, product, facility, service or enterprise. All such disclaimers must be prominently and unambiguously displayed (e.g., Reference to specific commercial products, manufacturers, companies, or trademarks does not constitute its endorsement or recommendation by the U.S. Government, Department of Health and Human Services, or Centers for Disease Control and Prevention;

  3. You may not change the substantive content of the materials; and

  4. You must state that the material is otherwise available on the agency website for no charge.

For information on NCHS agency level use of materials see here.

Source Resource:XML / JSON / Turtle


Logical Definition (CLD)

This value set includes codes based on the following rules:



This value set contains 42 concepts

All codes from system

E00-E89Endocrine, nutritional and metabolic diseases
E70-E88Metabolic disorders
E84Cystic fibrosis
E84.0Cystic fibrosis with pulmonary manifestations
M00-M99Diseases of the musculoskeletal system and connective tissue
M47.0†Anterior spinal and vertebral artery compression syndromes
M47.1Other spondylosis with myelopathy
M47.2Other spondylosis with radiculopathy
M47.8Other spondylosis
M47.81Spondylosis without myelopathy or radiculopathy
M47.816Spondylosis without myelopathy or radiculopathy, lumbar region
M47.9Spondylosis, unspecified
M50-54Other dorsopathies
M53Other dorsopathies, not elsewhere classified
M53.0Cervicocranial syndrome
M53.1Cervicobrachial syndrome
M53.2Spinal instabilities
M53.3Sacrococcygeal disorders, not elsewhere classified
M53.8Other specified dorsopathies
M53.88Other specified dorsopathies, sacral and sacrococcygeal region
M53.9Dorsopathy, unspecified
M95-M99Other disorders of the musculoskeletal system and connective tissue
M96Postprocedural musculoskeletal disorders, not elsewhere classified
M96.0Pseudarthrosis after fusion or arthrodesis
M96.1Postlaminectomy syndrome, not elsewhere classified
M96.2Postradiation kyphosis
M96.3Postlaminectomy kyphosis
M96.4Postsurgical lordosis
M96.5Postradiation scoliosis
M96.6Fracture of bone following insertion of orthopaedic implant, joint prosthesis, or bone plate
M96.8Other postprocedural musculoskeletal disorders
M96.9Postprocedural musculoskeletal disorder, unspecified
G00-99Diseases of the nervous system
G89-99Other disorders of the nervous system
G89Pain, not elsewhere classified
G89.4Chronic pain syndrome
R00-R99Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
R50-R69General symptoms and signs
R52Pain, unspecified

Explanation of the columns that may appear on this page:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies
Source The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code The code (used as the code in the resource instance)
Display The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code