Disorders of newborn related to length of gestation and fetal growth (P05-P08) ICD-10-CM
The P05–P08 section covers disorders of newborn related to length of gestation and fetal growth with 63 ICD-10-CM diagnosis codes, of which 53 are billable in fiscal year 2026. The section is organized into the 3 code ranges listed below.
Code Ranges in This Section 3 ranges · 63 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the P05–P08 Code Range
ICD-10-CM codes P05 through P08 cover medical conditions affecting newborns related to their birth timing and size, specifically disorders associated with the length of gestation and fetal growth. These codes identify whether a newborn is unusually small or large for their gestational age, or born prematurely or post-term, which helps guide appropriate care and monitoring.
The P05 codes describe newborns with slow fetal growth or fetal malnutrition, including terms like "light for gestational age" and "small for gestational age"—also known as small-for-dates baby or birth weight abnormalities. These specify different weight ranges to reflect severity. The P07 codes focus on newborns with short gestation or low birth weight, covering extreme prematurity ("extreme immaturity") and various weight categories, often referred to as low birth weight infants or premature babies. Finally, the P08 codes address complications in babies with prolonged gestation or high birth weights, including exceptionally large newborns and large for gestational age newborns. These classifications support precise medical coding and allow healthcare providers to track conditions related to abnormal fetal growth or birth timing.
Questions About This Page
How many codes are in the P05-P08 range?
The P05-P08 range contains 63 ICD-10-CM diagnosis codes in FY 2026. 53 of them are billable, and the rest are category headers that organize the section.
What conditions does P05-P08 cover?
The range covers disorders of newborn related to length of gestation and fetal growth. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
