Alphabetic Index FY2027

P36.39

Sepsis of newborn due to other staphylococci

FY2027Chapter 16: Certain conditions originating in the perinatal period/P35–P39 Infections specific to the perinatal period

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - OtherHospital MCC

P36.39 (also written P3639) is a billable ICD-10-CM diagnosis code for sepsis of newborn due to other staphylococci. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 10 codes in category P36 (Bacterial sepsis of newborn). The Alphabetic Index lists it under 2 entries. Its coding notes include a Use additional code instruction and 15 Excludes2 entries.

Guidelines tips

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Chapter 16 codes are never used on the maternal record, and chapter 15 codes are never used on the newborn record. Chapter 16 codes can be used for life if the condition persists.

Guidelines I.C.16.a.1Perinatal codes and the maternal recordRead the official text

Sepsis in a perinate defaults to congenital (P36) unless community acquired is documented. An organism code from B96 is added only if the P36 code does not include the organism.

Guidelines I.C.16.fBacterial sepsis of the newborn (P36)Read the official text

Use additional code

Add the listed code as a secondary code, if known.

Inherited from P36 Bacterial sepsis of newborn
  • code(s), if applicable, to identify severe sepsis (R65.2-) and associated acute organ dysfunction(s)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (15 notes)
Inherited from P35–P39 Infections specific to the perinatal period
  • asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
  • congenital gonococcal infection (A54.-)
  • congenital pneumonia (P23.-)
  • congenital syphilis (A50.-)
  • human immunodeficiency virus [HIV] disease (B20)
  • infant botulism (A48.51)
  • infectious diseases not specific to the perinatal period (A00-B99, J09, J10.-)
  • intestinal infectious disease (A00-A09)
  • laboratory evidence of human immunodeficiency virus [HIV] (R75)
  • tetanus neonatorum (A33)
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • tetanus neonatorum (A33)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Hospital MCC

Counts as a major complication or comorbidity (MCC) when reported as a secondary diagnosis on an inpatient claim. It does not count when the principal diagnosis is one of the 48 codes in its exclusion list. Some MS-DRGs also ignore a CC or MCC that defines the DRG.

Source: CMS MS-DRG Definitions Manual v44, effective October 1, 2026, Appendix C

Includes

Further defines or gives examples of the content of the category.

Inherited from P36 Bacterial sepsis of newborn
  • congenital sepsis
Also from chapter/block level (1 note)
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • Codes from this chapter are for use on newborn records only, never on maternal records

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 2 entries