Q89.09 – Congenital malformations of spleen
ICD-10-CM 2027 diagnosis code · Other congenital malformations
ICD-10-CM code
Q89.09
- Code
Q89.09(claims format:Q8909)- Description
- Congenital malformations of spleen
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q80-Q89 Other congenital malformations
- Parent codes
- Q89 › Q89.0
Notes for Q89.09
Applicable to:
- Congenital splenomegaly
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q89.0 – Congenital absence and malformations of spleen
Excludes1 (not coded here):
- isomerism of atrial appendages (with asplenia or polysplenia) (Q20.6)
Index terms for Q89.09
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Aberrant, spleen
- Accessory, spleen
- Polycystic, spleen
- Lobulation, spleen
- Distortion, spleen
- Polysplenia syndrome
- Malformation, spleen
- Syndrome, polysplenia
- Supernumerary, spleen
- Ectopic, ectopia, spleen
- Anomaly, anomalous, spleen
- Cyst, spleen NEC, congenital
- Deformity, spleen, congenital
- Displacement, displaced, spleen
- Malposition, congenital, spleen
- Disease, diseased, spleen, polycystic
- Disease, diseased, polycystic, spleen
- Splenomegaly, splenomegalia, congenital
Related codes in Q89.0
- Q89.01 – Asplenia (congenital)Billable
Frequently asked questions
What is ICD-10 code Q89.09?
Q89.09 is the ICD-10-CM code for congenital malformations of spleen, in the block Q80-Q89 (Other congenital malformations).
Is Q89.09 a billable code?
Yes. Q89.09 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q89.09 belong to?
It belongs to category Q89 – Other congenital malformations, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.