DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

P27 Chronic respiratory disease originating in the perinatal period

  • Header · not billable

P27 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

  • Bubbly lung syndrome → P27.0
  • Wilson-Mikity syndrome → P27.0
  • Ventilator lung, newborn → P27.8

Where it sits

  1. Chapter 16 Certain conditions originating in the perinatal period (P00-P96)
  2. P19-P29 Respiratory and cardiovascular disorders specific to the perinatal period (P19-P29)
  3. P27 Chronic respiratory disease originating in the perinatal period
Billable codes
4
Subdivisions
4
CC / MCC codes
0 / 4
HCC V28 codes
4
New FY2027
0
Index entries
12

Codes in P27

  1. P27.0
    Wilson-Mikity syndrome
    BillableMCC213
    Inclusion terms 1

    Inclusion terms

    • Pulmonary dysmaturity
  2. P27.1
    Bronchopulmonary dysplasia originating in the perinatal period
    BillableMCC213
  3. P27.8
    Other chronic respiratory diseases originating in the perinatal period
    BillableMCC213
    Inclusion terms 2

    Inclusion terms

    • Congenital pulmonary fibrosis
    • Ventilator lung in newborn
  4. P27.9
    Unspecified chronic respiratory disease originating in the perinatal period
    BillableMCC213

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At P27

Excludes2

  • respiratory distress of newborn (P22.0-P22.9) P22.0 P22.9

Notes that also apply

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

Index entries

  • Bubbly lung syndrome → P27.0
  • Mikity-Wilson disease or syndrome → P27.0
  • Wilson-Mikity syndrome → P27.0
  • Ventilator lung, newborn → P27.8
  • Dysmaturitypulmonary (newborn) (Wilson-Mikity) → P27.0
  • Syndromebubbly lung → P27.0
  • Dysplasiabronchopulmonary, perinatal → P27.1
  • Syndromepulmonarydysmaturity (Wilson-Mikity) → P27.0
  • Fibrosis, fibroticlung (atrophic) (chronic) (confluent) (massive) (perialveolar) (peribronchial)congenital → P27.8
  • Fibrosis, fibroticpulmonarycongenital → P27.8
  • Disease, diseasedrespiratory (tract)chronic NOSnewborn → P27.9
  • Disease, diseasedrespiratory (tract)chronic NOSnewbornspecified NEC → P27.8

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

Hierarchy