2027 ICD-10-CM Diagnosis Code Q64.70Unspecified congenital malformation of bladder and urethra

ICD-10-CM Codes›Q00-Q99›Q60-Q64›Q64

ICD-10-CM Q64.70
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

Q64.70 is a billable ICD-10-CM diagnosis code for unspecified congenital malformation of bladder and urethra. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 698 through 700. The code is exempt from POA reporting. Coders also document this condition as congenital anomaly of urethra. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Genitourinary congenital anomalies.

Code Identity

ICD-10-CM Code
Q64.70
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified congenital malformation of bladder and urethra
Short Description
Unspecified congenital malformation of bladder and urethra
Same as the full description in the CMS dataset.
Parent Code
Q64.7
Other and unspecified congenital malformations of bladder and urethra

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ60-Q64Congenital malformations of the urinary system
CategoryQ64Other congenital malformations of urinary system
This CodeQ64.70Unspecified congenital malformation of bladder and urethra

Present on Admission (POA)Billing

Q64.70 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Congenital malformations of the urinary system (Q60-Q64).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Congenital anomaly of urethra
  • Congenital anomaly of urinary bladder
  • Congenital malformation of urinary bladder and urethra

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to Q64.70: its own notes plus those printed at Q64.7 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.

  • Malformation of bladder or urethra NOS

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Q64.7 Other and unspecified congenital malformations of bladder and urethra applies to 7 codes
  • congenital prolapse of bladder (mucosa) (Q79.4)

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.

From Chapter 17 (Q00-QA1) Congenital malformations, deformations and chromosomal abnormalities applies to 900 codes
  • inborn errors of metabolism (E70-E88)

Notes

General instructions on how these codes are used.

From Chapter 17 (Q00-QA1) Congenital malformations, deformations and chromosomal abnormalities applies to 900 codes
  • Codes from this chapter are not for use on maternal records

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name Q64.70, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming Q64.70: they are not reported together with it, unless the two conditions are unrelated.

  • N36.8 Other specified disorders of urethra
    congenital urethrocele (Q64.7) names Q64.7, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MAL003
Genitourinary congenital anomalies
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Bladder Diseases

The bladder is a hollow organ in your lower abdomen that stores urine. Many conditions can affect your bladder. Some common ones are:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Q64.70 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
753.8 Cystourethral anom NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About Q64.70Overview

What is the ICD-10 code for unspecified congenital malformation of bladder and urethra?

The ICD-10-CM code for unspecified congenital malformation of bladder and urethra is Q64.70 (sometimes written as Q6470). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is Q64.70 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report unspecified congenital malformation of bladder and urethra on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does Q64.70 group to?

When unspecified congenital malformation of bladder and urethra is the principal diagnosis on an inpatient stay, it groups to MS-DRG 699, 698, 700, with relative weights from 0.6740 to 1.6400 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q64.70 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 unspecified congenital malformation of bladder and urethra on inpatient claims. The code appears in the Congenital malformations of the urinary system (Q60-Q64) range of the CMS exempt list.

Can Q64.70 be reported with Q79.4?

Not as a rule. The Excludes1 note at Q64.7, which applies to Q64.70, lists "congenital prolapse of bladder (mucosa) (Q79.4)". 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).