Q55.0

Billable

Absence and aplasia of testis

Absence and aplasia of testis

Status

Billable / Specific

Parent Code

Q55

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Monorchism

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(9)
Q55.1

Hypoplasia of testis and scrotum

BillableQ55.2

Oth and unsp congenital malformations of testis and scrotum

Q55.3

Atresia of vas deferens

BillableQ55.4

Oth congen malform of vas def,epidid, semnl vescl & prostate

BillableQ55.5

Congenital absence and aplasia of penis

BillableQ55.6

Other congenital malformations of penis

Q55.7

Congenital vasocutaneous fistula

BillableQ55.8

Oth congenital malformations of male genital organs

BillableQ55.9

Congenital malformation of male genital organ, unspecified

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

LB51Anorchia or microorchidiaequivalentPrimary
Also Known As / Clinical Terms(82)

SNOMED CT

UMLS

Clinical Terms

  • Congenital absence of germinal epithelium of testes
  • Anorchism
  • Congenital absence of testes
  • Agenesis of testis (disorder)
  • Congenital absence of gonads
  • Congenital absence of testis
  • Male agonadism
  • Absent testicle (congenital)
  • Congenital absent testes
  • Absence of testicle in scrotum
  • Monorchism
  • No testicle present in scrotum
  • PAGOD (pulmonary hypoplasia, hypoplasia pulmonary artery, agonadism, omphalocele, dextrocardia) syndrome
  • PAGOD syndrome
  • Anorchia
  • Bilateral testicular agenesis
  • Congenital absence of testis (disorder)
  • Congenital absence of both testes
  • Agenesis of both testes
  • Congenital absence of right testis
  • Anorchid azoospermia
  • Congenital absence of left testis
  • Bilateral congenital aplasia of testicles
  • Azoospermia due to absent testes
  • Agenesis of bilateral testes
  • Pulmonary hypoplasia, agonadism, dextrocardia, diaphragmatic hernia syndrome
  • Aplasia of testicle
  • Right congenital monorchism
  • Absent testes
  • Agenesis of testis
  • Monorchidism
  • Anorchidism
  • Position of testicle - finding
  • Monorchism (disorder)
  • Left congenital monorchism
  • Finding of position of testicle
  • Congenital aplasia of testis
Frequently Asked Questions
What is the ICD-10 code for absence and aplasia of testis?

The ICD-10-CM code for absence and aplasia of testis is Q55.0. The full clinical description is "Absence and aplasia of testis". Q55.0 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q55.0 mean?

ICD-10-CM code Q55.0 represents “Absence and aplasia of testis”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q55.0 a billable code?

Yes, Q55.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q55.0 in?

Q55.0 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q55.0?

Q55.0 has Excludes1 notes indicating codes that cannot be used together with it, including: androgen insensitivity syndrome (E34.5-); syndromes associated with anomalies in the number and form of chromosomes (Q90-Q99); congenital hydrocele (P83.5); and 1 more.

What SNOMED CT codes does Q55.0 map to?

Q55.0 maps to 15 SNOMED CT concepts: 249239007, 237804005, 274151005, 1003583000, 1003548004, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q55.0?

Q55.0 is linked to 2 UMLS Concept Unique Identifiers: C0405582, C0266429. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q55.0 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like absence and aplasia of testis affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of Q55.0?

Q55.0 maps to the ICD-11 code: LB51 (Anorchia or microorchidia).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.