DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 16

P35-P39 Infections specific to the perinatal period (P35-P39)

Block P35-P39 groups 5 categories with 34 billable codes in FY2027.

Where it sits

  1. Chapter 16 Certain conditions originating in the perinatal period (P00-P96)
  2. P35-P39 Infections specific to the perinatal period (P35-P39)

Neighbouring blocks

Categories
5
Billable codes
34
CC codes
9
MCC codes
23
HCC V28 codes
10
New FY2027
0

Categories in P35-P39

  • P35

    Congenital viral diseases

    Zika NOScongenital → P35.4

    • 7 billable codes
    • 1 CC
    • 6 MCC
  • P36

    Bacterial sepsis of newborn

    Sepsis (generalized) (unspecified organism)newborn → P36.9

    • 10 billable codes
    • 10 MCC
    • 10 with HCC
  • P37

    Other congenital infectious and parasitic diseases

    Thrushnewborn → P37.5

    • 8 billable codes
    • 7 MCC
  • P38

    Omphalitis of newborn

    Omphalitis (congenital) (newborn) → P38.9

    • 2 billable codes
    • 2 CC
  • P39

    Other infections specific to the perinatal period

    Dacryocystitisneonatal → P39.1

    • 7 billable codes
    • 6 CC

Index main terms

  • Infection, infected, infective (opportunistic) → P35, P36, P37, P39 (38 entries)
  • Newborn (infant) (liveborn) (singleton) → P36, P37, P38, P39 (19 entries)
  • Sepsis (generalized) (unspecified organism) → P36 (13 entries)
  • Disease, diseased → P35, P37 (8 entries)
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) → P38, P39 (4 entries)
  • Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) → P38 (3 entries)
  • Conjunctivitis (staphylococcal) (streptococcal) NOS → P39 (3 entries)
  • Omphalitis (congenital) (newborn) → P38 (3 entries)
  • Pneumonitis (acute) (primary) → P35, P37 (3 entries)
  • Candidiasis, candidal → P37 (2 entries)
  • Hepatitis → P35, P37 (2 entries)
  • Listeriosis, listerellosis → P37 (2 entries)
  • Malaria, malarial (fever) → P37 (2 entries)
  • Mastitis (acute) (diffuse) (nonpuerperal) (subacute) → P39 (2 entries)
  • Rubella (German measles) → P35 (2 entries)

+25 more main terms; the search box finds them by word.

Block instructions

Inclusion terms

  • Infections acquired in utero, during birth via the umbilicus, or during the first 28 days after birth

Excludes2

  • asymptomatic human immunodeficiency virus [HIV] infection status (Z21) Z21
  • congenital gonococcal infection (A54.-) A54
  • congenital pneumonia (P23.-) P23
  • congenital syphilis (A50.-) A50
  • human immunodeficiency virus [HIV] disease (B20) B20
  • infant botulism (A48.51) A48.51
  • infectious diseases not specific to the perinatal period (A00-B99, J09, J10.-) A00 B99 J09 J10
  • intestinal infectious disease (A00-A09) A00 A09
  • laboratory evidence of human immunodeficiency virus [HIV] (R75) R75
  • tetanus neonatorum (A33) A33

Notes that also apply

Chapter 16 instructions (Notes 1, Includes 1, Excludes2 5): printed on the chapter 16 page.