2026 ICD-10-CM Diagnosis Code Q84.8Other specified congenital malformations of integument

ICD-10-CM Codes›Q00-Q99›Q80-Q89›Q84

ICD-10-CM Q84.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q84.8 is a billable ICD-10-CM diagnosis code for other specified congenital malformations of integument. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 606 through 607. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified congenital anomalies.

Code Identity

ICD-10-CM Code
Q84.8
Billable Status
Yes — Valid for Submission
Code Describes
Other specified congenital malformations of integument
Short Description
Other specified congenital malformations of integument
Same as the full description in the CMS dataset.
Parent Code
Q84
Other congenital malformations of integument

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ80-Q89Other congenital malformations
CategoryQ84Other congenital malformations of integument
This CodeQ84.8Other specified congenital malformations of integument

Present on Admission (POA)Billing

Q84.8 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Adams-Oliver syndrome
  • Aplasia cutis congenita
  • Aplasia cutis congenita associated with fetus papyraceus
  • Aplasia cutis congenita due to teratogenic drug
  • Aplasia cutis congenita due to underlying malformation
  • Aplasia cutis congenita following intra-uterine infection
  • Aplasia cutis congenita in association with epidermolysis bullosa
  • Aplasia cutis congenita of limb
  • Aplasia cutis congenita secondary to malformation syndrome
  • Aplasia cutis congenita with epibulbar dermoid syndrome
  • Aplasia cutis congenita with intestinal lymphangiectasia syndrome
  • Aplasia cutis in Chromosome 4 short-arm deletion syndrome
  • Aplasia cutis in Johanson-Blizzard syndrome
  • Aplasia cutis in Trisomy 13 syndrome
  • Aplasia cutis with myopia syndrome
  • Aplasia of eccrine gland
  • Aplasia of skin
  • Aplasia of skin of trunk
  • Aplasia of sweat gland
  • Congenital anomaly of lymphatic structure of trunk
  • Congenital lymphangiectasia
  • Congenital sequelae of disorders
  • Dermoid cyst of eye proper
  • Didymosis aplasticosebacea
  • Hereditary disorder of lymphatic system
  • Intestinal lymphangiectasis
  • Microphthalmos due to Delleman syndrome
  • Oculocerebrocutaneous syndrome
  • Recessive aplasia cutis congenita of limbs
  • SCALP syndrome
  • Sebaceous nevus
  • Sequelae of reproductive disorders

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Aplasia cutis congenita

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Anomaly, anomalous(congenital) (unspecified type)
      • integument
        • specified NEC
    • Aplasia
      • cutis congenita
    • Aplasia
      • skin
    • Malformation(congenital)
      • integument
        • specified type NEC

Clinical ClassificationClinical

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

CCSR MAL010
Other specified and unspecified congenital anomalies
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Aplasia Cutis Congenita

    localized or widespread congenital absence of skin. the lesions most frequently occur in the scalp, are well demarcated, may be superficial or deep, and are not associated with inflammation.

Patient EducationClinical

Skin Conditions

Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it:

The full article covers:

  • What does your skin do?
  • What problems and conditions can affect your skin?
  • How can I keep my skin healthy?

Read the full article at MedlinePlus

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

Convert Q84.8 to ICD-9-CMHistory

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

ICD-9-CM
757.8 Oth integument anomalies
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q84.8Overview

Is Q84.8 (Other congenital malformations of integument) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified congenital malformations of integument on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Q84.8 group to?

When other specified congenital malformations of integument is the principal diagnosis on an inpatient stay, it groups to MS-DRG 606, 607, with relative weights from 0.9064 to 1.5132 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q84.8 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 other specified congenital malformations of integument on inpatient claims.

What is the ICD-9 equivalent of Q84.8?

Under the General Equivalence Mappings, other specified congenital malformations of integument converts to ICD-9-CM 757.8 (oth integument anomalies). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.