DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

P28 Other respiratory conditions originating in the perinatal period

  • Header · not billable

P28 is not billable. The category heads 19 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

  • Anaerosis of newborn → P28.89
  • Apneumatosis, newborn → P28.0
  • Nonpneumatization, lung NEC → P28.0

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. P28 Other respiratory conditions originating in the perinatal period
Billable codes
19
Subdivisions
8
CC / MCC codes
15 / 2
HCC V28 codes
6
New FY2027
0
Index entries
59

Codes in P28

  1. P28.0
    Primary atelectasis of newborn
    BillableCC213
    Inclusion terms 3

    Inclusion terms

    • Primary failure to expand terminal respiratory units
    • Pulmonary hypoplasia associated with short gestation
    • Pulmonary immaturity NOS
  2. P28.1
    Other and unspecified atelectasis of newborn
    Header
  3. P28.10
    Unspecified atelectasis of newborn
    BillableCC213
    Inclusion terms 1

    Inclusion terms

    • Atelectasis of newborn NOS
  4. P28.11
    Resorption atelectasis without respiratory distress syndrome
    BillableCC213
    Excludes1 1

    Excludes1

    • resorption atelectasis with respiratory distress syndrome (P22.0) P22.0
  5. P28.19
    Other atelectasis of newborn
    BillableCC213
    Inclusion terms 2

    Inclusion terms

    • Partial atelectasis of newborn
    • Secondary atelectasis of newborn
  6. P28.2
    Cyanotic attacks of newborn
    BillableCC
    Excludes1 1

    Excludes1

  7. P28.3
    Primary sleep apnea of newborn
    Header
    Inclusion terms 1, Excludes2 1

    Inclusion terms

    • Sleep apnea of newborn NOS

    Excludes2

    • other apnea of newborn (P28.4-) P28.4
  8. P28.30
    Primary sleep apnea of newborn, unspecified
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Transient oxygen desaturation spells of newborn during sleep
  9. P28.31
    Primary central sleep apnea of newborn
    BillableCC
  10. P28.32
    Primary obstructive sleep apnea of newborn
    BillableCC
  11. P28.33
    Primary mixed sleep apnea of newborn
    BillableCC
  12. P28.39
    Other primary sleep apnea of newborn
    BillableCC
  13. P28.4
    Other apnea of newborn
    Header
    Excludes2 1

    Excludes2

    • primary sleep apnea of newborn (P28.3-) P28.3
  14. P28.40
    Unspecified apnea of newborn
    BillableCC
    Inclusion terms 2

    Inclusion terms

    • Apnea of newborn, NOS
    • Transient oxygen desaturation spells of newborn
  15. P28.41
    Central neonatal apnea of newborn
    BillableCC
  16. P28.42
    Obstructive apnea of newborn
    BillableCC
  17. P28.43
    Mixed neonatal apnea of newborn
    BillableCC
  18. P28.49
    Other apnea of newborn
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Apnea of prematurity
  19. P28.5
    Respiratory failure of newborn
    BillableMCC213
    Excludes2 2

    Excludes2

    • respiratory arrest of newborn (P28.81) P28.81
    • respiratory distress of newborn (P22.0) P22.0
  20. P28.8
    Other specified respiratory conditions of newborn
    Header
  21. P28.81
    Respiratory arrest of newborn
    BillableMCC212
  22. P28.89
    Other specified respiratory conditions of newborn
    Billable
    Inclusion terms 3, Excludes1 1

    Inclusion terms

    • Congenital laryngeal stridor
    • Sniffles in newborn
    • Snuffles in newborn

    Excludes1

    • early congenital syphilitic rhinitis (A50.05) A50.05
  23. P28.9
    Respiratory condition of newborn, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Respiratory depression in newborn

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 P28

Code also

  • , if applicable, congenital malformations of the respiratory system (Q30-Q34) Q30 Q34

Notes that also apply

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

Index entries

  • Apneumatosis, newborn → P28.0
  • Nonexpansion, lung (newborn) → P28.0
  • Nonpneumatization, lung NEC → P28.0
  • Spells, transient oxygen desaturation of newborn → P28.40
  • Anaerosis of newborn → P28.89
  • Atelectasis (massive) (partial) (pressure) (pulmonary)primary (newborn) → P28.0
  • Failure, failedexpansion terminal respiratory units (newborn) (primary) → P28.0
  • Fetus, fetallung tissue → P28.0
  • Immaturity (less than 37 completed weeks)lung, newborn → P28.0
  • Immaturity (less than 37 completed weeks)pulmonary, newborn → P28.0
  • Prematurelungs → P28.0
  • Atelectasis (massive) (partial) (pressure) (pulmonary)newborn → P28.10
  • Acrocyanosisnewborn → P28.2
  • Attack, attackscyanotic, newborn → P28.2
  • Spells, transient oxygen desaturation of newbornduring sleep → P28.30
  • Apnea, apneic (of) (spells)newborn → P28.40
  • Newborn (infant) (liveborn) (singleton)apnea → P28.40
  • Apnea, apneic (of) (spells)prematurity → P28.49
  • Dyspnea (nocturnal) (paroxysmal)newborn → P28.89
  • Laryngismus (stridulus)congenital → P28.89
  • Snifflesnewborn → P28.89
  • Snuffles (non-syphilitic)newborn → P28.89
  • Stridorcongenital (larynx) → P28.89
  • Delay, delayedprimary respiration → P28.9
  • Membrane(s), membranousover face of newborn → P28.9
  • Atelectasis (massive) (partial) (pressure) (pulmonary)newbornprimary → P28.0
  • Hypoplasia, hypoplasticlung (lobe) (not associated with short gestation)associated with immaturity, low birth weight, prematurity, or short gestation → P28.0
  • Hypoplasia, hypoplasticpulmonary (not associated with short gestation)associated with short gestation → P28.0
  • Atelectasis (massive) (partial) (pressure) (pulmonary)newborndue to resorption → P28.11
  • Atelectasis (massive) (partial) (pressure) (pulmonary)newbornpartial → P28.19
  • Atelectasis (massive) (partial) (pressure) (pulmonary)newbornsecondary → P28.19
  • Newborn (infant) (liveborn) (singleton)affected bycyanosis → P28.2
  • Newborn (infant) (liveborn) (singleton)apneaprimary → P28.30
  • Newborn (infant) (liveborn) (singleton)apneasleep (central) (obstructive) (primary) → P28.30
  • Apnea, apneic (of) (spells)newborncentral → P28.41
  • Apnea, apneic (of) (spells)newbornobstructive → P28.42
  • Newborn (infant) (liveborn) (singleton)apneaobstructive → P28.42
  • Apnea, apneic (of) (spells)newbornmixed → P28.43
  • Apnea, apneic (of) (spells)newbornspecified NEC → P28.49
  • Failure, failedrespiration, respiratorynewborn → P28.5

19 more, longer entries are not listed; the search box finds them by word.

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