P05.18Billable
Newborn small for gestational age, 2000-2499 grams
- Chapter
- 16. Certain conditions originating in the perinatal period
- Category
- P05
- Effective date
- October 1, 2026
Related codes in category P05
P05Disord of NB related to slow fetal growth and fetal malnutP05.0Newborn light for gestational ageP05.00Newborn light for gestational age, unspecified weightYesP05.01Newborn light for gestational age, less than 500 gramsYesP05.02Newborn light for gestational age, 500-749 gramsYesP05.03Newborn light for gestational age, 750-999 gramsYesP05.04Newborn light for gestational age, 1000-1249 gramsYesP05.05Newborn light for gestational age, 1250-1499 gramsYesP05.06Newborn light for gestational age, 1500-1749 gramsYesP05.07Newborn light for gestational age, 1750-1999 gramsYesP05.08Newborn light for gestational age, 2000-2499 gramsYesP05.09Newborn light for gestational age, 2500 grams and overYes
Frequently asked questions
What is ICD-10 code P05.18?
P05.18 is an ICD-10-CM diagnosis code for Newborn small for gestational age, 2000-2499 grams.
Is P05.18 a billable code?
Yes. P05.18 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is P05.18 in?
P05.18 falls under Chapter 16: Certain conditions originating in the perinatal period.
When did P05.18 become effective?
P05.18 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to P05.18?
P05.18 belongs to category P05, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.