DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

F32.9 diagnosis code · Billable code · FY2027

F32.9 Major depressive disorder, single episode, unspecified

  • Billable
  • Not CC/MCC
  • POA reported

F32.9 ICD-10 code: a billable diagnosis code in FY2027, one of 10 billable codes in category F32.

ICD-10 code by name

What is the ICD-10 code for major depressive disorder?
Major depressive disorder ICD-10 code: F32.9 Major depressive disorder, single episode, unspecified. Alphabetic Index: Disorder (of)depressivemajor → F32.9. Search ICD-10 for major depressive disorder

Where it sits

  1. Chapter 5 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
  2. F30-F39 Mood [affective] disorders (F30-F39)
  3. F32 Depressive episode
  4. F32.9 Major depressive disorder, single episode, unspecified
CC / MCC
Neither
MS-DRG
881
HCC V28
–
POA
Reported
Code Editor
–
Index entries
8

Instructions

At F32.9

Inclusion terms

  • Major depression NOS

Notes that also apply

Includes from F32

  • single episode of agitated depression
  • single episode of depressive reaction
  • single episode of major depression
  • single episode of psychogenic depression
  • single episode of reactive depression
  • single episode of vital depression

Excludes1 from F32

  • bipolar disorder (F31.-) F31
  • manic episode (F30.-) F30
  • recurrent depressive disorder (F33.-) F33

Excludes2 from F32

  • adjustment disorder (F43.2) F43.2

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

Index entries

  • Depression (acute) (mental)major → F32.9
  • Depression (acute) (mental)psychogenic (reactive) (single episode) → F32.9
  • Depression (acute) (mental)reactive (psychogenic) (single episode) → F32.9
  • Reactiondepressive (single episode) → F32.9
  • Disorder (of)depressivemajor → F32.9
  • Disorder (of)psychogenic NOSdepressive → F32.9
  • Episodedepressivemajor → F32.9
  • Disorder (of)depressivemajorsingle episode → F32.9

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

Medicare grouping and edits

CMS files for F32.9
CC / MCCNeither
Appendix BMDC 19 Mental Diseases and Disorders, MS-DRG 881 (Depressive Neuroses…)
Code Editor–
POAReported
HCC V28–

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

Hierarchy