Reduction defects of upper limb (Q71) ICD-10-CM
The Q71 code range covers reduction defects of upper limb with 52 ICD-10-CM diagnosis codes. 40 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the Q71 Range 52 codes · 40 billable
- Q71 Reduction defects of upper limbNon-billable
- Q71.0 Congenital complete absence of upper limbNon-billable
- Q71.00 Congenital complete absence of unspecified upper limb
- Q71.01 Congenital complete absence of right upper limb
- Q71.02 Congenital complete absence of left upper limb
- Q71.03 Congenital complete absence of upper limb, bilateral
- Q71.1 Congenital absence of upper arm and forearm with hand presentNon-billable
- Q71.10 Congenital absence of unspecified upper arm and forearm with hand present
- Q71.11 Congenital absence of right upper arm and forearm with hand present
- Q71.12 Congenital absence of left upper arm and forearm with hand present
- Q71.13 Congenital absence of upper arm and forearm with hand present, bilateral
- Q71.2 Congenital absence of both forearm and handNon-billable
- Q71.20 Congenital absence of both forearm and hand, unspecified upper limb
- Q71.21 Congenital absence of both forearm and hand, right upper limb
- Q71.22 Congenital absence of both forearm and hand, left upper limb
- Q71.23 Congenital absence of both forearm and hand, bilateral
- Q71.3 Congenital absence of hand and fingerNon-billable
- Q71.30 Congenital absence of unspecified hand and finger
- Q71.31 Congenital absence of right hand and finger
- Q71.32 Congenital absence of left hand and finger
- Q71.33 Congenital absence of hand and finger, bilateral
- Q71.4 Longitudinal reduction defect of radiusNon-billable
- Q71.40 Longitudinal reduction defect of unspecified radius
- Q71.41 Longitudinal reduction defect of right radius
- Q71.42 Longitudinal reduction defect of left radius
- Q71.43 Longitudinal reduction defect of radius, bilateral
- Q71.5 Longitudinal reduction defect of ulnaNon-billable
- Q71.50 Longitudinal reduction defect of unspecified ulna
- Q71.51 Longitudinal reduction defect of right ulna
- Q71.52 Longitudinal reduction defect of left ulna
- Q71.53 Longitudinal reduction defect of ulna, bilateral
- Q71.6 Lobster-claw handNon-billable
- Q71.60 Lobster-claw hand, unspecified hand
- Q71.61 Lobster-claw right hand
- Q71.62 Lobster-claw left hand
- Q71.63 Lobster-claw hand, bilateral
- Q71.8 Other reduction defects of upper limbNon-billable
- Q71.81 Congenital shortening of upper limbNon-billable
- Q71.811 Congenital shortening of right upper limb
- Q71.812 Congenital shortening of left upper limb
- Q71.813 Congenital shortening of upper limb, bilateral
- Q71.819 Congenital shortening of unspecified upper limb
- Q71.89 Other reduction defects of upper limbNon-billable
- Q71.891 Other reduction defects of right upper limb
- Q71.892 Other reduction defects of left upper limb
- Q71.893 Other reduction defects of upper limb, bilateral
- Q71.899 Other reduction defects of unspecified upper limb
- Q71.9 Unspecified reduction defect of upper limbNon-billable
- Q71.90 Unspecified reduction defect of unspecified upper limb
- Q71.91 Unspecified reduction defect of right upper limb
- Q71.92 Unspecified reduction defect of left upper limb
- Q71.93 Unspecified reduction defect of upper limb, bilateral
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the Q71 range.
Choanal Atresia
A congenital abnormality that is characterized by a blocked CHOANAE, the opening between the nose and the NASOPHARYNX. Blockage can be unilateral or bilateral; bony or membranous.
Ectromelia
Gross hypo- or aplasia of one or more long bones of one or more limbs. The concept includes amelia, hemimelia, phocomelia, and sirenomelia.
Ectromelia virus
A species of ORTHOPOXVIRUS infecting mice and causing a disease that involves internal organs and produces characteristic skin lesions.
Ectromelia, Infectious
A viral infection of mice, causing edema and necrosis followed by limb loss.
Orthopoxvirus
A genus of the family POXVIRIDAE, subfamily CHORDOPOXVIRINAE, comprising many species infecting mammals. Viruses of this genus cause generalized infections and a rash in some hosts. The type species is VACCINIA VIRUS.
About the Q71 Code Range
The ICD-10 code Q71 covers various congenital reduction defects of the upper limb, which are conditions present at birth involving partial or complete absence of parts of the arm, forearm, hand, or fingers. These defects range from complete absence of one or both upper limbs to specific reductions such as absence of the radius, ulna, or hand, including distinctive forms like the lobster-claw hand.
This coding section is essential for identifying and documenting specific congenital anomalies of the upper extremities. For example, Q71.01 denotes the congenital complete absence of the right upper limb, while Q71.13 specifies bilateral absence of both upper arm and forearm with the hand present, also known as phocomelia. The code Q71.6 refers to "lobster-claw hand," a form of split hand malformation. The synonyms linked to these codes, such as "congenital absence of upper limb," "phocomelia," or "splitting hand," aid clinicians and coders in correctly matching clinical diagnoses with the right ICD-10 code. Using the precise codes from the Q71 category ensures accurate recording of complex congenital musculoskeletal conditions affecting upper limbs for treatment planning and tracking.
Questions About This Page
How many billable codes are in the Q71 range?
Of the 52 codes in this range, 40 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Q71 range classify?
The range classifies reduction defects of upper limb. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
