What is ICD-9-CM and how is it used?

What is ICD-9-CM and how is it used?

ICD-9-CM is the official system of assigning codes to diagnoses and procedures associated with hospital utilization in the United States. The ICD-9 was used to code and classify mortality data from death certificates until 1999, when use of ICD-10 for mortality coding started.

Which volumes of ICD nine cm are used for diagnostic coding?

ICD-9-CM Volume 3 is a system of procedural codes used by health insurers to classify medical procedures for billing purposes. It is a subset of the International Statistical Classification of Diseases and Related Health Problems (ICD) 9-CM. Volumes 1 and 2 are used for diagnostic codes.

What is Volume 3 of the ICD-10-CM guidelines?

The ICD-10-CM code manual is divided into three volumes. Volume I is the tabular index. Volume II is, again, the alphabetic index. Volume III lists procedure codes that are only used by hospitals.

Which coding system was developed to replace Volume 3 of ICD-9-CM?

ICD-10-PCS
The U.S. developed a Clinical Modification (ICD-10-CM) for medical diagnoses based on WHO’s ICD-10 and CMS developed a new Procedure Coding System (ICD-10-PCS) for inpatient procedures. ICD-10-CM replaces ICD-9-CM, volumes 1 and 2, and ICD-10-PCS replaces ICD-9-CM, volume 3.

Can you name three purposes of the most current diagnostic coding system?

Coding is a way to standardized medical information for purposes such as collecting health care statistics, performing a medical care review, and indexing medical records.

How many chapters does ICD-9 have?

The 2016 edition of the ICD-9-CM is divided into 19 chapters, based on the subject of the ICD codes each chapter contains.

What is the difference between ICD-10 CM and ICD-9-CM?

ICD-10 emphasis on modern technology devices being used for various procedures, while ICD-9 codes are unable to reflect the use of modern day equipment. Hence, the basic structural difference is that ICD-9 is a 3-5 character numeric code while the ICD-10 is a 3-7 character alphanumeric code.

What are the three volumes of ICD 9 cm?

ICD-9-CM is divided into three volumes, the first two of which are composed of diagnosis codes, while the third volume contains a list of available procedure codes. Inpatient medical coders and medical billers use the third volume to describe medically necessary services that are provided in the hospital setting.

How to format ICD-9 CM and other diagnosis codes?

Appendix F ICD-9-CM Format. How to Format ICD-9-CM Principal and Other Diagnosis Codes 1) The field for the ICD-9-CM Principal and Other Diagnosis Codes is six characters in length, with the decimal point implied between the third and fourth digit for all diagnosis codes other than the V codes.

What do the first three digits of a medical code mean?

The first three digits identify the primary condition. These are followed by a decimal point, when applicable, and then another one to two numbers to provide more specificity. For example, the code 402 describes hypertensive heart disease, but this is not a billable code since it is incomplete.

Where to find code first notes in ICD-10?

“Code first” notes are located below certain ICD-10-CM codes in the tabular lists that are not specifically manifestation codes but may be the underlying cause. When a “code first” note is present and an underlying condition is documented in the patient record, the underlying condition is reported ________________.