DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

P71 Transitory neonatal disorders of calcium and magnesium metabolism

  • Header · not billable

P71 is not billable. The category heads 7 billable codes in FY2027: the 7 codes directly below it.

Index → code

  • Hypocalcemianeonatal → P71.1
  • Hypomagnesemianeonatal → P71.2
  • Hypermagnesemianeonatal → P71.8

Where it sits

  1. Chapter 16 Certain conditions originating in the perinatal period (P00-P96)
  2. P70-P74 Transitory endocrine and metabolic disorders specific to newborn (P70-P74)
  3. P71 Transitory neonatal disorders of calcium and magnesium metabolism
Billable codes
7
Subdivisions
7
CC / MCC codes
7 / 0
HCC V28 codes
0
New FY2027
0
Index entries
9

Codes in P71

  1. P71.0
    Cow's milk hypocalcemia in newborn
    BillableCC
  2. P71.1
    Other neonatal hypocalcemia
    BillableCC
    Excludes1 1

    Excludes1

    • neonatal hypoparathyroidism (P71.4) P71.4
  3. P71.2
    Neonatal hypomagnesemia
    BillableCC
  4. P71.3
    Neonatal tetany without calcium or magnesium deficiency
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Neonatal tetany NOS
  5. P71.4
    Transitory neonatal hypoparathyroidism
    BillableCC
  6. P71.8
    Other transitory neonatal disorders of calcium and magnesium metabolism
    BillableCC
  7. P71.9
    Transitory neonatal disorder of calcium and magnesium metabolism, unspecified
    BillableCC

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

Notes that also apply

Block P70-P74 instructions (Includes 1): printed on the block page.

Chapter 16 instructions (Notes 1, Includes 1, Excludes2 5): printed on the chapter 16 page.

Index entries

  • Hypocalcemianeonatal → P71.1
  • Hypocalcemiaphosphate-loading (newborn) → P71.1
  • Hypomagnesemianeonatal → P71.2
  • Tetany (due to)neonatal (without calcium or magnesium deficiency) → P71.3
  • Hypoparathyroidismneonatal, transitory → P71.4
  • Hypermagnesemianeonatal → P71.8
  • Hypocalcemianeonataldue to cow's milk → P71.0
  • Disturbance(s)metabolismneonatal, transitorycalcium and magnesium → P71.9
  • Disturbance(s)metabolismneonatal, transitorycalcium and magnesiumspecified type NEC → P71.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy