Medical Diagnosis Codes, the ICD-9-CM Vol. 1 Code Set is used to classify diseases and a wide variety of signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or disease.

The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. List of ICD-9 codes 001–139: infectious and parasitic diseases

Enter a code or keyword to conduct your search for ICD-9 Codes. After searching, select an ICD-9 Code link from the results table to populate the corresponding text box and close the pop-up window.

Diagnosis code. In healthcare, diagnosis codes are used as a tool to group and identify . ICD-10 PCS; ICD-9-CM Volume 3; NIC; SNOMED P axis; OPS-301; Read codes/OPCS-4; CCAM; ICHI; LOINC; Pharmaceutical codes: ATC; NDC; SNOMED C axis; DIN; Outcomes codes: NOC .

ICD-9-CM codes are very different than ICD-10-CM/PCS code sets: There are nearly 19 times as many procedure codes in ICD-10-PCS than in ICD-9-CM volume 3 ; There are nearly 5 times as many diagnosis codes in ICD-10-CM than in ICD-9-CM ; ICD-10 has alphanumeric categories instead of numeric ones ; The order of some chapters have changed, some titles have been renamed, and conditions have been grouped differently ;

Downloadable files of diagnosis and procedure codes and their full and abbreviated titles are available in the "Downloads" and "Related Links" portion of this page.

So, what about ICD-10 makes it so much better than ICD-9? Well, for starters, it has way more diagnosis codes—about 68,000 to ICD-9’s 13,000—and in this case, more is definitely better. Why? Because with more codes, medical providers—including rehab therapists—can more accurately document clinical information, including patient diagnoses.

Free, official information about 2012 (and also 2013-2015) ICD-9-CM diagnosis code 309.81, including coding notes, detailed descriptions, index cross-references and ICD-10-CM conversion.

Find-A-Code - ICD 10 Codes, CPT Codes, HCPCS Codes, ICD 9 Codes - Onlne Encoder - Medical Billing and Coding. Summary: The most popoular online encoder. Search tools, index look-up and coding tools for ICD-10-CM/PCS, CPT, HCPCS, ICD-9-CM and many more medical and health care billing code sets as well as DRGs, APCs, NDCs, NPIs, provider taxonomy, place of service and more.