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Q99.8 - Other specified chromosome abnormalities


The ICD 10 Code for Other specified chromosome abnormalities is listed as Q99.8.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: Q99.8
Description: Other specified chromosome abnormalities
Diagnostic Related Groups
(MS-DRG v30.0)
729 - Other Male Reproductive System Diagnoses W Cc/mcc
730 - Other Male Reproductive System Diagnoses W/o Cc/mcc
742 - Uterine & Adnexa Proc For Non-malignancy W Cc/mcc
743 - Uterine & Adnexa Proc For Non-malignancy W/o Cc/mcc
760 - Menstrual & Other Female Reproductive System Disorders W Cc/mcc
761 - Menstrual & Other Female Reproductive System Disorders W/o Cc/mcc
Chapter Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Block Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Parent Q99 - Other chromosome abnormalities, not elsewhere classified
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 758.81 - Other conditions due to sex chromosome anomalies (approximate)
ICD 9 Dx Code: 758.89 - Other conditions due to chromosome anomalies (approximate)
ICD-10-CM Siblings (same level / similar specificity) of Q99.8:
Q99.0 - Chimera 46, XX/46, XY
Q99.1 - 46, XX true hermaphrodite
Q99.2 - Fragile X chromosome
Q99.9 - Chromosomal abnormality, unspecified