FY2019 coding guidelines: Changes align with recent Coding Clinic guidance

Why This Topic Matters

The FY2019 guideline updates affect how coders interpret provider and clinician documentation, apply index conventions, and recognize changes in diagnosis reporting across cardiovascular, neoplasm, infection, substance use, burn, and other categories. Understanding the scope of these updates helps support more consistent coding and documentation review.

Article Sections

1. Cardiovascular and hypertension-related guidance

   Covers updates tied to heart disease, hypertension, and related official guideline interpretation, including changes aligned with Coding Clinic guidance.

2. Documentation by clinicians other than the patient's provider

   Describes a revised documentation guideline addressing how certain social and psychosocial circumstance codes may be supported by documentation from clinicians other than the patient’s provider.

3. Other key guidelines updates

   Introduces a series of additional FY2019 guideline changes affecting multiple diagnosis categories and general coding conventions.

4. Neoplasms

   Summarizes updates related to history-of-neoplasm reporting and distinctions between prior primary and secondary malignancy history.

5. “With” and “in”

   Explains a clarification to general alphabetic index conventions and how those conventions are treated in different index structures.

6. Myocardial infarctions

   Notes additional guidance on when certain myocardial infarction codes may be applied in relation to prior events.

7. Pulmonary hypertension

   Addresses an exception involving sequencing for secondary pulmonary hypertension when the condition is linked to an adverse effect scenario.

8. Post-procedural sepsis

   Summarizes new instructions for reporting post-procedural sepsis and related infection, organism, and complication coding.

9. Post-procedural septic shock

   Covers streamlined guidance for reporting septic shock in the post-procedural setting and associated coding updates.

10. Burns

    Describes clarifications involving burns of different degrees and multiple burn sites.

11. Underdosing

    Reviews an expanded definition of underdosing in the context of medication use and discontinuation.

12. Substance use

    Summarizes clarification of unspecified psychoactive substance use categories and the documentation context for those codes.

13. Factitious disorder

    Covers new guidance related to factitious disorder imposed on another and related abuse coding considerations.

14. Body mass index (BMI) codes

    Addresses clarification regarding the diagnosis associated with a BMI code and reportable diagnosis requirements.