ICD-10-CM 2027
ICD-10 code for Supernumerary
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Supernumerary (congenital)”. Page updated September 29, 2026.
About coding Supernumerary
The official ICD-10-CM index doesn't give a single default code for supernumerary; the code depends on the details below.
More specific Supernumerary codes (official index)
- aortic cusps Q23.88 — Other congenital malformations of aortic and mitral valves
- auditory ossicles Q16.3 — Congenital malformation of ear ossicles
- bone Q79.8 — Other congenital malformations of musculoskeletal system
- breast Q83.1 — Accessory breast
- carpal bones Q74.0 — Other congenital malformations of upper limb(s), including shoulder girdle
- cusps, heart valve NEC Q24.8 — Other specified congenital malformations of heart
- aortic Q23.88 — Other congenital malformations of aortic and mitral valves
- mitral Q23.2 — Congenital mitral stenosis
- pulmonary Q22.3 — Other congenital malformations of pulmonary valve
- digit (s) Q69.9 — Polydactyly, unspecified
- ear (lobule) Q17.0 — Accessory auricle
- fallopian tube Q50.6 — Other congenital malformations of fallopian tube and broad ligament
- finger Q69.0 — Accessory finger(s)
- hymen Q52.4 — Other congenital malformations of vagina
- kidney Q63.0 — Accessory kidney
- lacrimonasal duct Q10.6 — Other congenital malformations of lacrimal apparatus
- lobule (ear) Q17.0 — Accessory auricle
- mitral cusps Q23.2 — Congenital mitral stenosis
- muscle Q79.8 — Other congenital malformations of musculoskeletal system
- nipple (s) Q83.3 — Accessory nipple
- organ or site not listed
- ossicles, auditory Q16.3 — Congenital malformation of ear ossicles
- ovary Q50.31 — Accessory ovary
- oviduct Q50.6 — Other congenital malformations of fallopian tube and broad ligament
- pulmonary, pulmonic cusps Q22.3 — Other congenital malformations of pulmonary valve
- rib Q76.6 — Other congenital malformations of ribs
- cervical or first (syndrome) Q76.5 — Cervical rib
- roots (of teeth) K00.2 — Abnormalities of size and form of teeth
- spleen Q89.09 — Congenital malformations of spleen
- tarsal bones Q74.2 — Other congenital malformations of lower limb(s), including pelvic girdle
- teeth K00.1 — Supernumerary teeth
- testis Q55.29 — Other congenital malformations of testis and scrotum
- thumb Q69.1 — Accessory thumb(s)
- toe Q69.2 — Accessory toe(s)
- uterus Q51.28 — Other and unspecified doubling of uterus
- vagina Q52.1 — Doubling of vagina
- vertebra Q76.49 — Other congenital malformations of spine, not associated with scoliosis
Common questions about Supernumerary ICD-10 codes
What is the ICD-10 code for aortic cusps supernumerary?
- Q23.88 — Other congenital malformations of aortic and mitral valves.
What is the ICD-10 code for auditory ossicles supernumerary?
- Q16.3 — Congenital malformation of ear ossicles.
What is the ICD-10 code for bone supernumerary?
- Q79.8 — Other congenital malformations of musculoskeletal system.
What is the ICD-10 code for breast supernumerary?
- Q83.1 — Accessory breast.
What is the ICD-10 code for carpal bones supernumerary?
- Q74.0 — Other congenital malformations of upper limb(s), including shoulder girdle.
What is the ICD-10 code for digit supernumerary?
- Q69.9 — Polydactyly, unspecified.
What is the ICD-10 code for ear supernumerary?
- Q17.0 — Accessory auricle.