FY2027 ICD-10-CM reference
P29.2: Neonatal hypertension
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Neonatal hypertension. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Billable code. Verified against the official FY2027 order file.
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
Codes from this chapter are for use on newborn records only, never on maternal records
Source: P00-P96 (chapter, inherited).
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
Source: P00-P96 (chapter, inherited).
Excludes2
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Source: P00-P96 (chapter, inherited).
Excludes2
endocrine, nutritional and metabolic diseases (E00-E88)
Source: P00-P96 (chapter, inherited).
Excludes2
injury, poisoning and certain other consequences of external causes (S00-T88)
Source: P00-P96 (chapter, inherited).
Excludes2
neoplasms (C00-D49)
Source: P00-P96 (chapter, inherited).
Excludes2
tetanus neonatorum (A33)
Source: P00-P96 (chapter, inherited).
Excludes2
congenital malformations of the circulatory system (Q20-Q28)
Source: P29 (category, inherited).
Compare the FY2027 additions, removals and billable-status changes
What does P29.2 mean in FY2027?
The official ICD-10-CM descriptor is Neonatal hypertension. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is P29.2 billable in FY2027?
The FY2027 order file marks P29.2 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does P29.2 map to an HCC?
P29.2 has no CMS-HCC V28 category in the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service). ESRD, RxHCC, PACE and HHS-HCC mappings are still pending verification for FY2027.
Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.
Review the FY2026 April edition