2027 ICD-10-CM Diagnosis Code Q53.9Undescended testicle, unspecified
ICD-10-CM Codes›Q00-Q99›Q50-Q56›Q53
- Billable — Valid for Submission
- POA Exempt
- Not Chronic
Q53.9 is a billable ICD-10-CM diagnosis code for undescended testicle, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 729 through 730, 795. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Genitourinary congenital anomalies.
Code Identity
Code Classification
Present on Admission (POA)Billing
Q53.9 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Congenital malformations of genital organs (Q50-Q56).
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Congenital prognathism
- Cryptorchidism, arachnodactyly, intellectual disability syndrome
- Intellectual disability, craniofacial dysmorphism, cryptorchidism syndrome
- Intellectual disability, hypotonia, brachycephaly, pyloric stenosis, cryptorchidism syndrome
- Male infertility due to cryptorchidism
- Spigelian hernia
- Spigelian hernia with cryptorchidism syndrome
- Torticollis, keloids, cryptorchidism, renal dysplasia syndrome
- Undescended intraabdominal testis
- Undescended testicle
- X-linked microcephaly, growth retardation, prognathism, cryptorchidism syndrome
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to Q53.9: its own notes plus those printed at block Q50-Q56 and Chapter 17. A note printed at a category, block or chapter applies to every code under it.
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Cryptorchism NOS
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Notes
General instructions on how these codes are used.
- Codes from this chapter are not for use on maternal records
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Maldescent, testis Q53.9
Nondescent (congenital) See Also: Malposition, congenital;
testicle Q53.9
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Undescended Testes
the failure of one or both testes of a male fetus to descend from the abdomen into the scrotum during the late part of pregnancy. if not surgically corrected in early childhood, males may be at increased risk for testicular cancer later in life.
Patient EducationClinical
Testicular Disorders
Testicles, or testes, make male hormones and sperm. They are two egg-shaped organs inside the scrotum, the loose sac of skin behind the penis. It's easy to injure your testicles because they are not protected by bones or muscles. Men and boys should wear athletic supporters when they play sports.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert Q53.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About Q53.9Overview
What is the ICD-10 code for undescended testicle, unspecified?
The ICD-10-CM code for undescended testicle, unspecified is Q53.9 (sometimes written as Q539). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is Q53.9 (Undescended and ectopic testicle) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report undescended testicle, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does Q53.9 group to?
When undescended testicle, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 729, 795, 730, with relative weights from 0.2022 to 1.0553 depending on complications. Higher weights mean higher Medicare reimbursement.
Is Q53.9 exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for undescended testicle, unspecified on inpatient claims. The code appears in the Congenital malformations of genital organs (Q50-Q56) range of the CMS exempt list.
Can Q53.9 be reported with a code from E34.5?
Not as a rule. The Excludes1 note at block Q50-Q56, which applies to Q53.9, lists "androgen insensitivity syndrome (E34.5-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
