CODES Chapter 3 Medical Billing Codes Numbers letters

CODES: Chapter 3

Medical Billing Codes Numbers & letters can be used by any computer In any language There are different code books (systems) for diagnosis, procedures and supplies. ICD- 10 –CM (diseases) HCPCS: Level I (CPT Procedures) HCPCS Level II (supplies) ICD-10 -PCS (procedures) 3 -3

Three types of codes used by the provider-based medical biller ICD-10 -CM = diagnosis CPT (Level 1) = procedures HPCS Level II = supplies Medical billers should become familiar with both CPT and HCPCS modifiers Medical billers can reduce the risk of auditing through accurately using codes and modifiers when billing ______________ ICD-10 -PCS (procedures) are used in hospitals and are not covered in this course 3 -4

ICD-10: International Classification of Diseases Made by the World Health Organization • The US has added codes to it for use in this country called the ICD-10 -CM • The US ICD-10 Clinical Modification(ICD-10 -CM), for instance, has some 68, 000 codes. [6] Wikipedia The US also has the ICD-10 Procedure Coding System (ICD 10 -PCS), [7] a coding system that contains 76, 000 procedure codes that is not used by other countries. (used here in hospitals) • The US has used ICD-10 CM since October 1, 2015 in hospitals 3 -6

ICD-10 -CM coding manual There is a book that lists all the codes, called a “coding manual” ICD-10 -CM arranged as follows ICD-10 -CM Index by name of the disease ICD-10 -CM Tabular List by number/letter 3 -7 (continues)

The basic structure of the ICD-10 -CM code Code structure Z codes Three to seven digits long Routine medical examination Over 68, 000 codes Supervision of normal first pregnancy Characters 1 -3 (the category of disease); GYN exam 4 (etiology (cause) of disease); Aftercare for injuries 5 (body part affected); Family history 6 (severity of illness); Administrative exams 7 (placeholder for extension of the code to increase specificity). Status

That covers ICD-10 Diagnosis codes. Now we will look at procedure codes