Q89.2 Congenital malformations of other endocrine glands

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Congenital malformation of parathyroid or thyroid gland
• Persistent thyroglossal duct
• Thyroglossal cyst

Excludes1 (never code together)

• congenital goiter (E03.0)
• congenital hypothyroidism (E03.1)

MS-DRG index

Defines the logic of DRG(s) 643-645 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 759.2 Anomalies of other endocrine glands

Code annotations containing back-references to Q89.2

Back-references to Q89.2

• Type 1 Excludes: Q18 Other congenital malformations of face and neck ("persistent thyroglossal duct (Q89.2)")

Diagnosis Index entries for Q89.2

• Aberrant (congenital) › endocrine gland NEC
• Aberrant (congenital) › parathyroid gland
• Aberrant (congenital) › pituitary gland
• Aberrant (congenital) › thymus (gland)
• Aberrant (congenital) › thyroid gland
• Absence (of) (organ or part) (complete or partial) › endocrine gland (congenital) NEC
• Absence (of) (organ or part) (complete or partial) › parathyroid gland (acquired) › congenital
• Absence (of) (organ or part) (complete or partial) › pituitary gland (congenital)
• Absence (of) (organ or part) (complete or partial) › thymus gland
• Accessory (congenital) › endocrine gland NEC
• Accessory (congenital) › parathyroid gland
• Accessory (congenital) › pituitary gland
• Accessory (congenital) › thymus gland
• Accessory (congenital) › thyroid gland
• Agenesis › endocrine (gland) NEC
• Agenesis › parathyroid (gland)
• Agenesis › pituitary (gland)
• Agenesis › thymus (gland)
• Anomaly, anomalous (congenital) (unspecified type) › endocrine gland NEC
• Anomaly, anomalous (congenital) (unspecified type) › hypophyseal
• Anomaly, anomalous (congenital) (unspecified type) › parathyroid gland
• Anomaly, anomalous (congenital) (unspecified type) › pituitary (gland)
• Anomaly, anomalous (congenital) (unspecified type) › thymus gland
• Anomaly, anomalous (congenital) (unspecified type) › thyroid (gland)
• Cyst (colloid) (mucous) (simple) (retention) › congenital NEC › thymus (gland)
• Cyst (colloid) (mucous) (simple) (retention) › thyroglossal duct (infected) (persistent)
• Cyst (colloid) (mucous) (simple) (retention) › thyrolingual duct (infected) (persistent)
• Deformity › endocrine gland NEC
• Deformity › hypophyseal (congenital)
• Deformity › parathyroid (gland)
• Deformity › pituitary (congenital)
• Deformity › thymus (tissue) (congenital)
• Deformity › thyroid (gland) (congenital)
• Distortion (s) (congenital) › endocrine NEC
• Distortion (s) (congenital) › parathyroid (gland)
• Distortion (s) (congenital) › pituitary (gland)
• Distortion (s) (congenital) › thymus (gland)
• Distortion (s) (congenital) › thyroid (gland)
• Ectopic, ectopia (congenital) › thyroid
• Fistula (cutaneous) › thyroglossal duct
• Goiter (plunging) (substernal) › lingual
• Hypoplasia, hypoplastic › endocrine (gland) NEC
• Hypoplasia, hypoplastic › parathyroid (gland)
• Hypoplasia, hypoplastic › pituitary (gland) (congenital)
• Hypoplasia, hypoplastic › thymus (gland)
• Malformation (congenital) › parathyroid gland
• Malformation (congenital) › thyroid gland
• Malposition › congenital › endocrine (gland) NEC
• Malposition › congenital › parathyroid (gland)
• Malposition › congenital › pituitary (gland)

Nearby codes

• Q89 Other congenital malformations, not elsewhere classified
• Q89.0 Congenital absence and malformations of spleen
• Q89.01 Asplenia (congenital)
• Q89.09 Congenital malformations of spleen
• Q89.1 Congenital malformations of adrenal gland
• Q89.2 Congenital malformations of other endocrine glands (this code)
• Q89.3 Situs inversus
• Q89.4 Conjoined twins
• Q89.7 Multiple congenital malformations, not elsewhere classified
• Q89.8 Other specified congenital malformations
• Q89.81 Kabuki syndrome