Coding and coverage · ICD-10-CM
Instructional notes
Chapter 16
Excludes2Not included here: the patient may have both; report both when both are present.
Includes
- 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
- Codes from this chapter are for use on newborn records only, never on maternal records
Section P35-P39
Excludes2Not included here: the patient may have both; report both when both are present.
- 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)
Inclusion terms
- Infections acquired in utero, during birth via the umbilicus, or during the first 28 days after birth
P35
Includes
- infections acquired in utero or during birth
This code
Inclusion terms
- Congenital varicella [chickenpox]
Chapter 16: Certain conditions originating in the perinatal period · P35-P39 Infections specific to the perinatal period (P35-P39)
Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.
Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.