ICD-10-CM 2027
ICD-10 code for enlargement
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Enlargement, enlarged”. Page updated September 29, 2026.
About coding enlargement
The official ICD-10-CM index doesn't give a single default code for enlargement; the code depends on the details below.
More specific enlargement codes (official index)
- adenoids J35.2 — Hypertrophy of adenoids
- with tonsils J35.3 — Hypertrophy of tonsils with hypertrophy of adenoids
- alveolar ridge K08.89 — Other specified disorders of teeth and supporting structures
- congenital
- apertures of diaphragm (congenital) Q79.1 — Other congenital malformations of diaphragm
- gingival K06.1 — Gingival enlargement
- heart, cardiac
- labium majus, childhood asymmetric (CALME) N90.61 — Childhood asymmetric labium majus enlargement
- lacrimal gland, chronic H04.03 — Chronic enlargement of lacrimal gland
- liver
- lymph gland or node R59.9 — Enlarged lymph nodes, unspecified
- generalized R59.1 — Generalized enlarged lymph nodes
- localized R59.0 — Localized enlarged lymph nodes
- orbit H05.34 — Enlargement of orbit
- organ or site, congenital NEC
- parathyroid (gland) E21.0 — Primary hyperparathyroidism
- pituitary fossa R93.0 — Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified
- prostate N40.0 — Benign prostatic hyperplasia without lower urinary tract symptoms
- with lower urinary tract symptoms (LUTS) N40.1 — Benign prostatic hyperplasia with lower urinary tract symptoms
- nodular N40.3 — Nodular prostate with lower urinary tract symptoms
- nodular N40.2 — Nodular prostate without lower urinary tract symptoms
- with lower urinary tract symptoms (LUTS) N40.3 — Nodular prostate with lower urinary tract symptoms
- without lower urinary tract symptoms (LUTS) N40.0 — Benign prostatic hyperplasia without lower urinary tract symptoms
- nodular N40.2 — Nodular prostate without lower urinary tract symptoms
- sella turcica R93.0 — Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified
- spleen
- thymus (gland) (congenital) E32.0 — Persistent hyperplasia of thymus
- thyroid (gland)
- tongue K14.8 — Other diseases of tongue
- tonsils J35.1 — Hypertrophy of tonsils
- with adenoids J35.3 — Hypertrophy of tonsils with hypertrophy of adenoids
- uterus N85.2 — Hypertrophy of uterus
- vestibular aqueduct Q16.5 — Congenital malformation of inner ear
Common questions about enlargement ICD-10 codes
What is the ICD-10 code for adenoids enlargement?
- J35.2 — Hypertrophy of adenoids.
What is the ICD-10 code for alveolar ridge enlargement?
- K08.89 — Other specified disorders of teeth and supporting structures.
What is the ICD-10 code for apertures of diaphragm enlargement?
- Q79.1 — Other congenital malformations of diaphragm.
What is the ICD-10 code for gingival enlargement?
- K06.1 — Gingival enlargement.
What is the ICD-10 code for lymph gland or node enlargement?
- R59.9 — Enlarged lymph nodes, unspecified.
What is the ICD-10 code for orbit enlargement?
- H05.34 — Enlargement of orbit (header code; choose a more specific subcode).
What is the ICD-10 code for parathyroid enlargement?
- E21.0 — Primary hyperparathyroidism.