DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

F28 diagnosis code · Billable category · FY2027

F28 Other psychotic disorder not due to a substance or known physiological condition

  • Billable
  • Not CC/MCC
  • HCC 152
  • POA reported

F28 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 5 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
  2. F20-F29 Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
  3. F28 Other psychotic disorder not due to a substance or known physiological condition
CC / MCC
Neither
MS-DRG
885, 974-976
HCC V28
152
POA
Reported
Code Editor
–
Index entries
8

Instructions

At F28

Inclusion terms

  • Chronic hallucinatory psychosis
  • Other specified schizophrenia spectrum and other psychotic disorder

Notes that also apply

Chapter 5 instructions (Includes 1, Excludes2 1): printed on the chapter 5 page.

Index entries

  • Hallucinosis (chronic) → F28
  • Insanity, insaneconfusional → F28
  • Menopause, menopausal (asymptomatic) (state)psychosis NEC → F28
  • Psychosis, psychotichallucinatory, chronic → F28
  • Psychosis, psychoticinvolutional → F28
  • Disorder (of)schizophrenia spectrum and other psychotic disorderspecified NEC → F28
  • Psychosis, psychoticnonorganicspecified NEC → F28
  • Schizophrenia, schizophrenicspectrum and other psychotic disorderspecified NEC → F28

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for F28
CC / MCCNeither
Appendix BMDC 19 Mental Diseases and Disorders, MS-DRG 885 (Psychoses…); MDC 25 Human Immunodeficiency Virus Infections, MS-DRG 974-976 (HIV with Major Related Condition with MCC…)
Code Editor–
POAReported
HCC V28HCC 152 Psychosis, Except Schizophrenia

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy