Alphabetic Index FY2027

P24.11

Neonatal aspiration of (clear) amniotic fluid and mucus with respiratory symptoms

FY2027Chapter 16: Certain conditions originating in the perinatal period/P19–P29 Respiratory and cardiovascular disorders specific to the perinatal period

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - OtherHospital MCC

P24.11 (also written P2411) is a billable ICD-10-CM diagnosis code for neonatal aspiration of (clear) amniotic fluid and mucus with respiratory symptoms. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 11 codes in category P24 (Neonatal aspiration). The Alphabetic Index lists it under 9 entries. Its coding notes include a Use additional code instruction and 5 Excludes2 entries.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Chapter 16 codes are never used on the maternal record, and chapter 15 codes are never used on the newborn record. Chapter 16 codes can be used for life if the condition persists.

Guidelines I.C.16.a.1Perinatal codes and the maternal recordRead the official text

Use additional code

Add the listed code as a secondary code, if known.

This code
  • code to identify any secondary pulmonary hypertension, if applicable (I27.2-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (5 notes)
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • tetanus neonatorum (A33)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Hospital MCC

Counts as a major complication or comorbidity (MCC) when reported as a secondary diagnosis on an inpatient claim. It does not count when the principal diagnosis is one of the 68 codes in its exclusion list. Some MS-DRGs also ignore a CC or MCC that defines the DRG.

Source: CMS MS-DRG Definitions Manual v44, effective October 1, 2026, Appendix C

Includes

Further defines or gives examples of the content of the category.

Inherited from P24 Neonatal aspiration
  • aspiration in utero and during delivery
Also from chapter/block level (1 note)
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • 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

Inclusion terms

Conditions classified to this code.

This code
  • Neonatal aspiration of amniotic fluid and mucus with pneumonia
  • Neonatal aspiration of amniotic fluid and mucus with pneumonitis

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • Codes from this chapter are for use on newborn records only, never on maternal records

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 9 entries