All ICD10 Codes

Q63

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Other congenital malformations of kidney

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here)
  • inborn errors of metabolism (E70-E88)

Instructional Notes

Excludes1(Not coded here)
  • congenital nephrotic syndrome (N04.-)

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q60-Q64Congenital malformations of the urinary system (Q60-Q64)
Q63Other congenital malformations of kidney
Q63.0Accessory kidney
Q63.1Lobulated, fused and horseshoe kidney
Q63.2Ectopic kidney
Q63.3Hyperplastic and giant kidney
Q63.8Other specified congenital malformations of kidney
Q63.9Congenital malformation of kidney, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q63:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q63. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Accessory (congenital)1 unique routes
kidney→Q63
Anomaly, anomalous (congenital) (unspecified type)5 unique routes
kidney (s) (calyx) (pelvis)→Q63(2 variants)
specified NEC→Q63
renal→Q63(3 variants)
pelvis→Q63(2 variants)
specified NEC→Q63
Bifid (congenital)1 unique routes
kidney→Q63
Bifurcation (congenital)2 unique routes
kidney pelvis→Q63
renal pelvis→Q63
Cake kidney1 unique routes
Direct index entry→Q63
Calculus, calculi, calculous1 unique routes
kidney (impacted) (multiple) (pelvis) (recurrent) (staghorn)
congenital→Q63
Clump, kidney1 unique routes
Direct index entry→Q63
Contraction (s), contracture, contracted1 unique routes
kidney (granular) (secondary)
congenital→Q63
Defect, defective1 unique routes
renal pelvis→Q63
Deformity1 unique routes
kidney (s) (calyx) (pelvis) (congenital)→Q63
Displacement, displaced1 unique routes
kidney (acquired)
congenital→Q63
Double1 unique routes
kidney with double pelvis (renal)→Q63
Duplication, duplex1 unique routes
kidney→Q63
Ectopic, ectopia (congenital)2 unique routes
kidney (crossed) (pelvis)→Q63
renal→Q63
Failure, failed1 unique routes
rotation
kidney→Q63
Floating1 unique routes
kidney
congenital→Q63
Fusion, fused (congenital)1 unique routes
kidneys (incomplete)→Q63
Giant1 unique routes
kidney, congenital→Q63
Horseshoe kidney (congenital)1 unique routes
Direct index entry→Q63

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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