2026 ICD-10-CM Diagnosis Code P36Bacterial sepsis of newborn

ICD-10-CM Codes›P00–P96›P35-P39›P36

ICD-10-CM P36
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P36 is a non-billable ICD-10-CM category code for bacterial sepsis of newborn, so it cannot be submitted on claims. Use a more specific code from this category instead, such as P36.0, P36.10, P36.19, and P36.2.

Code Identity

ICD-10-CM Code
P36
Billable Status
No — Non-Billable Category
Code Describes
Bacterial sepsis of newborn
Short Description
Bacterial sepsis of newborn
Same as the full description in the CMS dataset.
Chapter
P35-P39
Infections specific to the perinatal period

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP35-P39Infections specific to the perinatal period
CategoryP36Bacterial sepsis of newborn
This CodeP36Bacterial sepsis of newborn

Specific Coding for Bacterial sepsis of newbornOverview

Non-specific codes like P36 require more characters. Use one of these billable codes instead:

  • Use P36.0 for Sepsis of newborn due to streptococcus, group B

  • P36.1 for Sepsis of newborn due to other and unspecified streptococci

  • Use P36.10 for Sepsis of newborn due to unspecified streptococci

  • Use P36.19 for Sepsis of newborn due to other streptococci

  • Use P36.2 for Sepsis of newborn due to Staphylococcus aureus

  • P36.3 for Sepsis of newborn due to other and unspecified staphylococci

  • Use P36.30 for Sepsis of newborn due to unspecified staphylococci

  • Use P36.39 for Sepsis of newborn due to other staphylococci

  • Use P36.4 for Sepsis of newborn due to Escherichia coli

  • Use P36.5 for Sepsis of newborn due to anaerobes

  • Use P36.8 for Other bacterial sepsis of newborn

  • Use P36.9 for Bacterial sepsis of newborn, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • congenital sepsis

Use Additional Code

  • codes, if applicable, to identify severe sepsis R65.2

Patient EducationClinical

Bacterial Infections

Bacteria are tiny organisms (living things) that have only one cell. Under a microscope, they look like balls, rods, or spirals. They can be found almost everywhere on Earth. There are lots of bacteria in and on your body. In fact, your body has about 10 times more bacteria cells than human cells.

The full article covers:

  • What are bacteria?
  • How do bacterial infections spread?
  • What are the treatments for bacterial infections?
  • Can bacterial infections be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About P36Overview

Is P36 (Bacterial sepsis of newborn) a billable code?

No. This is a category header that groups the codes for bacterial sepsis of newborn, and headers cannot be submitted on claims. Claims for bacterial sepsis of newborn need a more specific code from this category, such as P36.0, P36.10, and P36.19.