E83.31

Familial hypophosphatemia

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC50

Amyloidosis, Porphyria, and Other Specified Metabolic Disorders

RxHCC V08

RXHCC42

Acromegaly and Other Endocrine and Metabolic Disorders

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · E83.31
Excludes 1

vitamin D-deficiency rickets (E55.0)

Synonyms

Vitamin D-resistant osteomalacia Vitamin D-resistant rickets

Inherited from E83.3Disorders of phosphorus metabolism and phosphatases
Excludes 1

adult osteomalacia (M83.-) osteoporosis (M80.-)

Excludes 2

disorders of pyrophosphate metabolism (E83.82-)

Inherited from E83Disorders of mineral metabolism
Excludes 1

dietary mineral deficiency (E58-E61) parathyroid disorders (E20-E21) vitamin D deficiency (E55.-)

Inherited from E70-E88Metabolic disorders
Excludes 1

androgen insensitivity syndrome (E34.5-) congenital adrenal hyperplasia (E25.0) hemolytic anemias attributable to enzyme disorders (D55.-) Marfan syndrome (Q87.4-) 5-alpha-reductase deficiency (E29.1)

Excludes 2

Ehlers-Danlos syndromes (Q79.6-)

Inherited from chapter 4Endocrine, nutritional and metabolic diseases
Excludes 1

transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Note

All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Official Guidelines for E83.31

FY 2026 ›
I.C.4Chapter-specific guidanceChapter 4: Endocrine, Nutritional, and Metabolic Diseases (E00-E89)

Subsections

Find E83.31 in the alphabetic index

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