KA21.4
Preterm newborn
Preterm newborn
Classification
ICD-11
Block
KA20-KA2ZParent Code
KA21Child Codes
10
ICD-10 Mapping
1 equivalentWHO Foundation
View on WHOChild Codes (10)
KA21.40Preterm newborn, gestational age 28 completed weeks
KA21.41Preterm newborn, gestational age 29 completed weeks
KA21.42Preterm newborn, gestational age 30 completed weeks
KA21.43Preterm newborn, gestational age 31 completed weeks
KA21.44Preterm newborn, gestational age 32 completed weeks
KA21.45Preterm newborn, gestational age 33 completed weeks
KA21.46Preterm newborn, gestational age 34 completed weeks
KA21.47Preterm newborn, gestational age 35 completed weeks
KA21.48Preterm newborn, gestational age 36 completed weeks
KA21.4ZPreterm newborn, unspecified
ICD-10 Equivalents(1)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-11 code for preterm newborn?
The ICD-11 code for preterm newborn is KA21.4. The full clinical description is "Preterm newborn".
What does ICD-11 code KA21.4 mean?
ICD-11 code KA21.4 represents “Preterm newborn”. It is classified under Chapter 19: Certain Conditions Originating in the Perinatal Period.
What chapter is KA21.4 in?
KA21.4 is in Chapter 19: Certain Conditions Originating in the Perinatal Period (codes KA00-KD5Z).
What is the ICD-10 equivalent of ICD-11 code KA21.4?
KA21.4 maps to the ICD-10 code: P07 (Disord of NB related to short gest and low birth weight, NEC). This is an equivalent mapping.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What are the subcategories under KA21.4?
KA21.4 has 10 child codes, including: KA21.40 (Preterm newborn, gestational age 28 completed weeks), KA21.41 (Preterm newborn, gestational age 29 completed weeks), KA21.42 (Preterm newborn, gestational age 30 completed weeks), KA21.43 (Preterm newborn, gestational age 31 completed weeks), and 6 more.
What UMLS concepts map to ICD-11 code KA21.4?
KA21.4 is linked to 2 UMLS Concept Unique Identifiers: C2909923, C4290263. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.