Healthcare Classification Systems and Registries

I.     Course Prefix/Number: HIT 126

       Course Name: Healthcare Classification Systems and Registries

       Credits: 2 (1 lecture; 2 lab)

II.    Prerequisite

HIT 104, HIT 121, BIO 231 and BIO 232 with minimum grade of C in each course.

III.   Course (Catalog) Description

Course covers classification systems and registries employed to organize medical information for future retrieval and reporting.

IV.   Learning Objectives

  1. Differentiate between vocabulary, terminology and classification systems based on specific users and their purposes.
  2. Explain the purpose and describe the structure of the following classifications or nomenclatures.
    1. International Classification of Diseases (ICD)
      1. ICD-9-CM
      2. ICD-10-CM
      3. ICD-10-PCS
    2. Healthcare Common Procedure Coding System (HCPCS)
      1. HCPCS Level I Current Procedural Terminology (CPT)
      2. HCPCS Level II National Codes
    3. National Drug Codes
    4. Systematized Nomenclature of Medicine (SNOMED)
    5. RxNorm
    6. Diagnostic and Statistical Manual of Mental Disorders (DSM-5)
    7. International Classification of Diseases for Oncology (ICD-O)
    8. Nursing Practice Terminologies
    9. International Classification of Primary Care (ICPC)
  3. Explain the overall purpose of several types of disease, transplant, birth and trauma registries.
  4. Explain requirements for American College of Surgeon approval for a cancer (tumor) registry.
  5. Explain how vocabularies, terminologies, and classification systems work together in an electronic healthcare environment.
  6. Identify implementation issues surrounding the use of vocabulary, terminology, and classification systems in healthcare.
  7. Distinguish between data dictionary, data set and data element.
  8. Recognize the names and purpose of data set standards including:
    1. Uniform Hospital Discharge Data Set (UHDDS)
    2. Minimum Data Set for Long Term Care (MDS)
    3. Outcomes and Assessment Information Set (OASIS)
    4. Meaningful Use Data Set
  9. Recognize the names and purpose of the major healthcare data interchange standards.

V.    Academic Integrity and Student Conduct

Students and employees at Oakton Community College are required to demonstrate academic integrity and follow Oakton's Code of Academic Conduct. This code prohibits:

• cheating,
• plagiarism (turning in work not written by you, or lacking proper citation),
• falsification and fabrication (lying or distorting the truth),
• helping others to cheat,
• unauthorized changes on official documents,
• pretending to be someone else or having someone else pretend to be you,
• making or accepting bribes, special favors, or threats, and
• any other behavior that violates academic integrity.

There are serious consequences to violations of the academic integrity policy. Oakton's policies and procedures provide students a fair hearing if a complaint is made against you. If you are found to have violated the policy, the minimum penalty is failure on the assignment and, a disciplinary record will be established and kept on file in the office of the Vice President for Student Affairs for a period of 3 years.

Please review the Code of Academic Conduct and the Code of Student Conduct, both located online at

VI.   Sequence of Topics

  1. Classification and Nomenclature Systems
    1. Difference between Nomenclature and Classification
    2. Structure and purpose of:
      1. SNDO
      2. HCPCS
        1. Level I CPT Codes
        2. Level II National Codes
      3. DSM-IV-TR
      4. ICD-O
      5. SNOMED
      6. SNOP
      7. ICD-9-CM as a legacy system
      8. ICD-10-CM
      9. ICD-10-PCS
  2. Sources and Uses of Health Data in the United States
  3. Registries
    1. Hospital cancer registry
    2. AIDS registries
    3. Birth defects registries
    4. Implant/Organ transplant registries
    5. Trauma registries

VII.  Methods of Instruction

Methods of instruction is given through the online

Course may be taught as face-to-face, hybrid or online course.

VIII. Course Practices Required

Students are required to attend classes, complete assignments, do required readings and participate in class discussions.  Course may be taught as face-to-face, hybrid or online course.

IX.   Instructional Materials

Note: Current textbook information for each course and section is available on Oakton's Schedule of Classes.

Health Information Management Technology An Applied Approach, Third edition, Meridia L. Johns, PhD, RHIA

X.    Methods of Evaluating Student Progress

Evaluation will be based on quizzes, exams, and projects on a cumulative point basis. There will also be a final coding practical involving a variety of diagnoses and treatments.  The grading scale will be:

A = 100 - 94%
B =  93 - 88%
C =  87 - 82%
D =  81 - 76%
F =  Below 76%

XI.   Other Course Information

Attendance - Attendance is required. Absences should be reported to the instructor. It is the student’s responsibility to arrange for make up of work and to find out what assignments were given. Absences will affect the final grade, which will be reduced by 1% of the total points for each absence.

Class Policy on:

Late Assignments ‑ It is expected that assignments will be turned in on the due date. If a late assignment is accepted by the instructor it must be turned in by the agreed upon date.The grade on the late assignment will be reduced by 7%.

Make‑up of Exams ‑ There will be only one make‑up allowed and only when students contact the instructor prior to the exam being given.  Make-up exam must be taken before the next class session.

Incomplete Grades ‑ It is the student's responsibility to initiate requests for an incomplete and to follow through with the procedures to remove the incomplete grade.

CAHIIM HIM Associate Degree Entry Level Competencies Domains

  • I.A.1.  Classification Systems
  • I.C.1.  Data Governance
  • I.E.1.  Secondary Data Sources
  • VI.K.1. Enterprise Management

If you have a documented learning, psychological, or physical disability you may be entitled to reasonable academic accommodations or services. To request accommodations or services, contact the Access and Disability Resource Center at the Des Plaines or Skokie campus. All students are expected to fulfill essential course requirements. The College will not waive any essential skill or requirement of a course or degree program.

Oakton Community College is committed to maintaining a campus environment emphasizing the dignity and worth of all members of the community, and complies with all federal and state Title IX requirements.

Resources and support for
  • pregnancy-related and parenting accommodations; and
  • victims of sexual misconduct
can be found at

Resources and support for LGBTQ+ students can be found at

Electronic video and/or audio recording is not permitted during class unless the student obtains written permission from the instructor. In cases where recordings are allowed, such content is restricted to personal use only. Any distribution of such recordings is strictly prohibited. Personal use is defined as use by an individual student for the purpose of studying or completing course assignments.

For students who have been approved for audio and/or video recording of lectures and other classroom activities as a reasonable accommodation by Oakton’s Access Disabilities Resource Center (ADRC), applicable federal law requires instructors to permit those recordings. Such recordings are also limited to personal use. Any distribution of such recordings is strictly prohibited.

Violation of this policy will result in disciplinary action through the Code of Student Conduct.