Q53.1

Non-Billable

ChapterQ00–Q99

Ranksubcategory

Official Description

Undescended testicle, unilateral

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).

General instructions are available for the parent sections:

View CH17 Notes View Q50-Q56 Notes

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Q50-Q56Congenital malformations of genital organs (Q50-Q56)

Q53Undescended and ectopic testicle

Q53.1Undescended testicle, unilateral

Q53.10Unspecified undescended testicle, unilateral

Q53.11Abdominal testis, unilateral

Q53.12Ectopic perineal testis, unilateral

Q53.13Unilateral high scrotal testis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q53.1:

blockQ50-Q56

Congenital malformations of genital organs (Q50-Q56)

View context instructions

chapterCH17

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q53.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

12 raw paths

Cryptorchid, cryptorchism, cryptorchidism3 unique routes

unilateral→Q53.1(3 variants)

abdominal→Q53.1

perineal→Q53.1

High1 unique routes

scrotal testis, testes

unilateral→Q53.1

Inguinal1 unique routes

testicle

unilateral→Q53.1

Intraabdominal testis, testes1 unique routes